Kate Hudson and Matthew Bellamy became parents to a baby boy. The actress, 32, and the Muse frontman, 33, welcomed a son on July 9, 2011, in Los Angeles. The couple announced in January that they were expecting a baby, and got engaged in April after dating for about a year. Hudson also has a 7-year-old son, Ryder, from her marriage to Black Crows frontman Chris Robinson. This is Bellamy's first child.

2011: Year in Review

Jewel welcomed her first child, a son, with husband Ty Murray on July 11, 2011, in Texas. The boy, named Kase Townes Murray, weighed 7 lbs., 6 oz., and arrived at 7 p.m. CST. her rep told People magazine. "Ty and I are so pleased to welcome our new baby boy into the world," Jewel, 36, told the magazine."We are overcome with happiness - it really is as great as everyone told us it would be - better even!"

2011: Year in Review

Ivanka Trump gave birth to her first child, a daughter, with husband Jared Kushner, 30, on July 18, 2011, in New York, she announced via Twitter. No name was announced. "We feel incredibly grateful & blessed," the 29-year-old wrote. Trump, who costars on "The Celebrity Apprentice" and is a vice president at her father Donald Trump's real estate company, and Kushner, owner of the New York Observer newspaper, wed in 2009.

2011: Year in Review

Maya Rudolph and her partner director Paul Thomas Anderson welcomed their third child, a son named Jack, on July 3, 2011 on July 19. The "Up All Night" star and "SNL" alumna and Anderson decided not to find out the sex of the baby before he arrived. Jack joins sisters Pearl, 5, and Lucille, 20 months.

2011: Year in Review

Selma Blair and her fashion designer boyfriend Jason Bleick welcomed son Arthur Saint Bleick on July 25, 2011. The baby boy reportedly weighed in at 7 lbs., 12 oz. Blair announced the pregnancy in January.

2011: Year in Review

Actor Ethan Hawke became a father of four in 2011. His wife, Ryan Hawke, gave birth to daughter Indiana in July. It's the second child for the couple, who married in June 2008 and have a 3-year-old daughter, Clementine. Hawke also has two children - Maya, 13, and Levon, 9 - with ex-wife Uma Thurman. The couple divorced in 2004 after six years of marriage.

2011: Year in Review

KISS rocker Paul Stanley became a father of four. He and his wife, Erin, welcomed daughter Emily Grace Stanley on Aug. 9, 2011, in Los Angeles. "Erin and I are once again blessed with the addition of Emily Grace to our family," Stanley said in a statement. "I'm not sure she can sing but her first screams let me know she

Actress Jessica Alba gave birth to daughter Haven Garner on Aug. 13, 2011. The new addition is the second child for Alba and husband Cash Warren. The couple, who were married on May 19, 2008, are already parents to 3-year-old Honor. "Cash and I are so excited to announce the birth of our daughter, Haven Garner Warren," Alba, 30, shared on her official Facebook page. "Big Sister Honor couldn't be more excited about the new addition to our family."

2011: Year in Review

"30 Rock" star Tina Fey gave birth to her second child, daughter Penelope Athena, on Aug. 10, 2011. She is married to Jeff Richmond. The new addition joins the couple's 5-year-old daughter, Alice. Fey first shared the baby news on "The Oprah Winfrey Show" in April.

2011: Year in Review

Former backup dancer Kevin Federline and girlfriend Victoria Prince welcomed daughter Jordan Kay on Aug. 15, 2011. Jordan is the first child for Prince, 28, a former competitive volleyball player. Federline, 33, has four children from previous relationships. He has sons Sean Preston, 5, and Jayden James, 4, with ex-wife Britney Spears, and son Kaleb, 7, and daughter Kori, 9, with former girlfriend Shar Jackson.

2011: Year in Review

Kimberly Stewart became a new mom to a baby girl. The child, whose father is Oscar winner Benicio del Toro, was born on Aug. 21, 2011, in Los Angeles. Stewart and del Toro are not currently a couple, but del Toro, 41, said he was supportive of the child.

2011: Year in Review

Alyssa Milano and husband David Bugliari welcomed son Milo Thomas Bugliari on Aug. 31, 2011. He weighed in at 7 lbs., and was 19 inches long. Milano announced the pregnancy in February. In March, she revealed that she was expecting a boy. Milano and Bugliari married in 2009, and this is the first child for both.

2011: Year in Review

Former Spice Girl Melanie Brown and her husband, movie producer Stephen Belafonte, welcomed their first child, a girl, on Sept. 1, 2011, in Los Angeles. Brown, a former "Dancing with the Stars" contestant, has two daughters, Phoenix, 12, and Angel, 3, from previous relationships, while Belafonte is dad to six-year-old daughter Giselle. The couple secretly wed in 2007.

2011: Year in Review

British director Guy Ritchie's girlfriend, Jacqui Ainsley, gave birth to a son in London on Sept. 5, 2011. The new arrival is Ritchie's third child. The 42-year-old also has sons Rocco, 11, and David (adopted from Malawi in 2006), from his relationship with Madonna.

2011: Year in Review

"Mad Men" star January Jones welcomed her first child, Xander Dane Jones, on Sept. 14, 2011. Jones, 33, announced the pregnancy in April. She has kept mum on the identity of the baby's father.

2011: Year in Review

"Bones" actress Emily Deschanel and husband David Hornsby welcomed son Henry on Sept. 21, 2011. It's the first child for Deschanel, 34, and the "It's Always Sunny in Philadelphia" actor. The couple announced the pregnancy in March.

2011: Year in Review

"Austin Powers"/"Shrek" star Mike Myers and wife Kelly Tisdale welcomed a boy in 2011. According to People magazine, the couple named their son Spike. This is the first child for Myers, 48, and Tisdale, who confirmed the pregnancy in May. They tied the knot in the fall of 2010.

2011: Year in Review

"The Office" star Jenna Fischer and husband Lee Kirk welcomed son Weston Lee on Sept. 24, 2011. Fischer, 37, and Kirk got married in 2010, and announced the pregnancy in May. In July, she revealed that she was expecting a boy. This is the first child for the couple.

2011: Year in Review

Tori Spelling and husband Dean McDermott welcomed Hattie Margaret McDermott on Oct. 10, 2011, in Los Angeles, the actress announced via Twitter. Spelling and McDermott are also the parents of daugther, Stella, 3, and son, Liam, 4. McDermott has a son, Jack, 13, from his previous marriage to Mary Jo Eustace.

2011: Year in Review

Viola Davis and her husband, actor Julius Tennon, have adopted a baby boy. Speaking at Elle's Women in Hollywood event on Oct. 17, 2011, the Oscar nominee, 46, confirmed the baby news, adding that their son's name is Genesis. This is the first child for the couple, who married in 2003. Tennon has two children from previous relationships.

2011: Year in Review

Just six months after adopting daughter Amaya Josephine, Mariska Hargitay added to her family again. The "Law & Order: Special Victims Unit" star and her husband, Peter Hermann, adopted a baby boy named Andrew Nicolas Hargitay Hermann, People magazine reported, on Oct. 19, 2011. This is the third child for the couple, who also have a biological son, 5-year-old August.

2011: Year in Review

France's first lady Carla Bruni-Sarkozy gave birth to a baby girl - the first infant born to a sitting president in modern-day France. The former supermodel delivered a daughter on Oct. 19, 2011, at a maternity clinic in Paris. This is the first child for the couple. Sarkozy, 56, has three sons from two previous marriages, while Bruni-Sarkozy has a 10-year-old son from a previous relationship.

2011: Year in Review

Hugh Grant welcomed a baby girl. The actor's rep told Reuters: "He and the mother had a fleeting affair and while this was not planned, Hugh could not be happier or more supportive. He and the mother have discussed everything and are on very friendly terms." The mother's identity has not been revealed, but Us magazine reports that Grant was linked to Chinese actress Tinglan Hong earlier this year. According to the magazine, the baby was born in early October.

2011: Year in Review

Indian actress Aishwarya Rai is a mom. The former Miss World gave birth to a baby girl in a Mumbai hospital on Nov. 16, 2011. This is first child for Rai, 38, and her husband, 35-year-old actor Abhishek Bachchan. Rai won Miss World in 1994 and has appeared in more than 40 films, including "The Pink Panther 2." She has been cited by media as the "most beautiful woman in the world."

2011: Year in Review

Connie Britton has adopted a baby boy from Ethiopia. "The "Friday Night Lights" actress told People magazine that the adoption process took three years. The 9-month-old boy is named Eyob, nicknamed Yoby. "I am thanking my lucky stars every day," the actress, 44, told the magazine.

2011: Year in Review

Model Niki Taylor and her husband, NASCAR driver Burney Lamar, welcomed son Rex Harrison on Nov. 16 at 11:03 a.m. Harrison weighed 7 lbs., 5 oz. and measured in at 19 inches long, reports Us Weekly. He joins older sister Ciel, 2, in addition to twins from Taylor's former marriage, Jake and Hunter, 16.

2011: Year in Review

"Top Chef Masters" host Curtis Stone and actress Lindsay Price welcomed a baby boy in 2011. "Lindsay and I are so excited to welcome our sweet little baby boy into the world. It feels so great to be a dad!!!!" the Australian celebrity chef tweeted on Nov. 21, 2011. Australia's Herald Sun reports that the baby, named Hudson, was born in the U.S. on Nov. 6. Stone and Price announced the pregnancy in June. They have been dating since 2009.

2011: Year in Review

Piers Morgan became a father of four in 2011. The CNN host confirmed on Nov. 25, 2011, that he and wife Celia Walden welcomed a daughter. "It's true. I've become a dad for the 4th time, to a baby girl called Elise," he shared on Twitter. "She's absurdly beautiful, and utterly adorable." This is the first child for the couple, who married in June 2010. Morgan, 46, has three sons from a previous marriage.

2011: Year in Review

The 26-year-old British singer Lily Allen and husband Sam Cooper welcomed a daughter on Nov. 25, 2011, according to the Daily Mail. Allen and Cooper, a painter and decorator, married in Gloucestershire, England, in June, when they also confirmed they were expecting a baby. In November 2010, Allen lost a baby boy after contracting a viral infection six months into her pregnancy. She suffered an earlier miscarriage in 2008, during her relationship with musician Ed Simmons.

2011: Year in Review

Fantasia Barrino gave birth to a baby boy on Dec. 13, 2011. The newborn, named Dallas Xavier Barrino, weighed in at 7 lbs, 9 oz and was 21 inches long. There's no word on the identity of the baby's father. The "American Idol" season three winner also has a 10-year-old daughter, Zion, from a previous relationship.

2011: Year in Review

Actress Bryce Dallas Howard and husband Seth Gabel are expecting their second child together, a rep for Howard confirmed to People magazine on May 26, 2011. The couple, who tied the knot in June 2006, have a four-year-old son named Theo. Howard, is the daughter of actor and filmmaker Ron Howard, and Gabel is an actor who has appeared on numerous TV shows, including "Fringe" and "United States of Tara."

2011: Year in Review

Singer and former Fugees star Lauryn Hill is pregnant with her sixth child. The 36-year-old, who has three sons and two daughters with boyfriend Rohan Marley, reportedly shared the news while performing a concert in Detroit's Chene Park on June 4, 2011 "She told the crowd, 'I'm going to be taking time off to give birth," Ashley Trybula of Detroit radio station Hot 102.7 told RadarOnline.com.

2011: Year in Review

Actress-singer Hilary Duff and her husband, Canadian hockey player Mike Comrie, are expecting their first child together. "We are extremely happy and ready to start this new chapter of our lives," Duff, 23, wrote on her official website on Aug. 14, 2011, sharing the pregnancy news. She and Comrie, 30, were married on Aug. 14, 2010, in Santa Barbara, Calif.

2011: Year in Review

Sweden's Crown Princess Victoria and her husband, Prince Daniel, are expecting their first child, it was announced on Aug. 17, 2011. Swedish Royal Court spokeswoman Annika Sonnerberg said Victoria, 34, is expected to give birth sometime in March next year. She said "the entire royal family is overjoyed for the couple." The princess married her private gym instructor, Daniel Westling, 37, in a lavish ceremony in June 2010 in Stockholm.

2011: Year in Review

Another baby is on the way for actors Jennifer Garner and Ben Affleck. The couple, who are parents to two daughters - Violet, 5, and Seraphina, 2 - are expecting their third child, their reps confirmed on Aug. 22, 2011. The duo say they are "thrilled" for the new arrival. Affleck and Garner, both 29, were married in 2005.

2011: Year in Review

Beyonce walked the red carpet at the MTV Video Music Awards on Aug. 28, 2011, with a very newsworthy accessory

Robert Downey Jr. is going to be a dad again. The "Iron Man" star and his wife, producer Susan Downey, will welcome their first child early next year. "Robert and Susan could not be more excited over this news," his rep told People magazine on Aug. 31, 2011. "They can't wait to welcome this new baby into their wonderful family." Downey, 46, and his wife have been married for six years. The actor has a 17-year-old son, Indio, from his marriage to Deborah Falconer.

2011: Year in Review

Jack Osbourne, the son of rocker Ozzy Osbourne, is going to have a child of his own. He announced during an interview on "Piers Morgan Tonight" that his fiancee, actress Lisa Stelly, is pregnant with the couple's first child. "I'm excited. I'm a little nervous," he said on Oct. 11, 2011. Osbourne and Stelly announced their engagement in September.

2011: Year in Review

Tony Romo and wife Candice Crawford are expecting their first child. Romo broke the news during a drug prevention event at Cedar Hill High School, near Dallas, when a student asked him if he had any kids. "No, I don't have any kids," he replied, according to CBS station KTVT. "I actually got one on the way. My wife

James Van Der Beek and his wife, Kimberly, are expanding their family. The former "Dawson's Creek" actor announced on Twitter that his 13-month-old daughter, Olivia, will be a big sister. "Just when we thought we couldn't feel any more blessed, it seems the universe has plans to give our daughter a sibling," he wrote on Oct. 25, 2011. The couple married in August 2010, and welcomed Olivia a month later.

2011: Year in Review

Bruce Willis is going to be a dad again. The actor and his wife, model/designer Emma Hemming, are expecting a baby. Willis, 56, and Hemming, 35, are "overjoyed with this news and they look forward to welcoming this newest addition into their family," his rep told USA Today on Oct. 26, 2011. This will be the couple's first child. Willis is already a dad to daughters Rumer, 23, Scout, 20, and Tallulah, 19, with ex-wife Demi Moore.

2011: Year in Review

"It's Always Sunny in Philadelphia" co-stars Kaitlin Olson and Rob McElhenney are adding another boy to their brood. The couple, already parents to 13-month-old son Axel, told People magazine that they are expecting their second child this spring. Olson, 36, and McElhenney, 34, married in 2008, and Axel was born in September 2010.

2011: Year in Review

Jessica Simpson has confirmed the obvious - she's having a baby. The 31-year-old entertainer tweeted a photo of herself on Oct. 31, 2011, dressed as a mummy for Halloween, holding her baby bump with the words, "It's true. I am going to be mummy." It will be the first child for Simpson and her fiance Eric Johnson. The two announced their engagement last year.

2011: Year in Review

Brooklyn power couple Maggie Gyllenhaal and Peter Sarsgaard are expanding their family. The two are expecting their second child. According to a friend of the couple, the 34-year-old actress is four months along, reports Us Weekly. Sarsgaard, 40, and Gyllenhaal have been together since 2002, and tied the knot in Italy in 2009. The two actors have a 5-year-old daughter named Ramona.

2011: Year in Review

Kourtney Kardashian has confirmed that she and boyfriend Scott Disick are expecting their second child. "Scott and I are so excited to announce that we are expecting our second child and are thrilled to be expanding the love in our family," Kardashian said in a statement to E! News on Nov. 30, 2011. The reality TV star first confirmed the news to Us Weekly, telling the magazine she is now nine weeks along. Kardashian, 32, and Disick, 28, are also parents to son Mason Dash Disick, who turns 2 on Dec. 14.

2011: Year in Review

Actress Alyson Hannigan is expecting her second child. "Yes, I am pregnant! This time it is NOT a food baby," she tweeted on Dec. 16, 2011. "We are beyond happy!" Her rep also confirmed the baby news to Us Weekly. Hannigan, 37, and husband Alexis Denisof are already parents to daughter Satyana, 2. The former "Buffy the Vampire Slayer" co-stars married in 2003.

2011: Year in Review

"Dancing with the Stars" winner J.R. Martinez is having a year he will never forget. On top of winning the celebrity dancing competition, the 28-year-old just found out he is going to be a dad. The Iraq war veteran and his girlfriend Diana Gonzalez-Jones are expecting a baby girl, due next spring, according to Us Weekly. Martinez tweeted on Dec. 17, 2011, that they are having a girl. This is the first child for the couple.

2011: Year in Review

"Felicity" actress Keri Russell gave birth to a baby girl named Willia Lou on Dec. 27, 2011, reports Us Weekly. Russell and her carpenter husband, Shane Deary, are also parents to 4-year-old son River.