Guy "Bear" Vazquez recorded his reaction to seeing a pair of rainbows in Yosemite National Park, creating a huge viral video hit. (credit: YouTube.com)
Jan. 11: Simon Announces He's Quitting 'Idol'
Simon Cowell announced that he was leaving the hit show 'American Idol' after hosting for years. (credit: Ian Gavan/Getty Images)
Jan. 22: Conan O'Brien Exits 'Tonight Show'
Conan O'Brien left 'The Tonight Show' after weeks of fighting at NBC. His departure made room for the late-night return of Jay Leno. (credit: Noel Vasquez/Getty Images)
Jan. 31: Pink Steals The Grammys
Pop star Pink's soaking, aerial performance at the Grammys stole the show. (credit: Robyn Peck/AFP/Getty Images)
Feb. 6: Bieber Fever Hits With 'Baby'
Justin Bieber's hit song 'Baby' debuted at number 5 on Billboard's Hot 100. His haricut and throngs of screaming fans add to Bieber fever. (credit: Neilson Barnard/Getty Images)
March 7: First Female Wins Directing Oscar
Winner for Best Director and Best Picture Kathryn Bigelow for "The Hurt Locker" gives her acceptance speech at the 82nd Academy Awards at the Kodak Theater in Hollywood, California. (credit: GABRIEL BOUYS/AFP/Getty Images)
March 11: Gaga's 'Telephone' Video Debuts
The video of "Telephone," Lady Gaga's collaboration with Beyonce, debuted, creating a smash. (credit: Kevin Winter/Getty Images)
Apr. 14: 'South Park' Upsets Muslim Group
An episode of "South Park" upset the group Revolution Muslim for its depiction of the prophet Muhammad in various costumes. (credit: Ethan Miller/Getty Images)
Apr. 21: Bret Michaels Suffer Brain Hemorrhage
Singer/reality TV star Bret Michaels suffered a brain hemorrhage, threatening his life. (credit: Ethan Miller/Getty Images)
May 9: Betty White Hosts SNL
Actress Betty White hosted "Saturday Night Live" following a campaign by Facebook users. (credit: Brendan Hoffman/Getty Images)
May 23: 'Lost' Finale Airs
The mysterious television show "Lost" ends, leaving critics and fans split. (credit: Alberto E. Rodriguez/Getty Images)
May 27: 'Sex And The City 2' Premieres
'Sex And The City 2' premiered, continuing the adventures of Carrie Bradshaw and crew. (credit: Max Nash/AFP/Getty Images)
June 5: Sandra Bullock On MTV Music Awards: Let's Get Back To Normal
Sandra Bullock appeared on the MTV Music Awards, kissing Scarlett Johanssen. It was Bullock's first public appearance since her marriage with Jesse James fell apart over his infidelity. (credit: Christopher Polk/Getty Images)
June 11: The Vuvuzela Annoys Millions
The World Cup got underway, introducing the world to buzzing annoyance of the Vuvuzela. (credit: Paballo Thekiso/AFP/Getty Images)
July 8: Mel Gibson's Rants Leaked
Audiotapes of actor Mel Gibson's rants at his former girlfriend Oksana Grigorieva leaked online. (credit: Angela Weiss/Getty Images)
July 20: Lindsay Lohan Jailed
Actress Lindsay Lohan was jailed for violating probation on drug charges. (credit: Los Angeles County Sheriff's Department via Getty Images)
Aug. 8: Fantasia Attempts Suicide
Former American Idol Fantasia apparently attempted suicide after allegations of her being involved with a married man surfaced. (credit: Ethan Miller/Getty Images)
Sept. 13: 'Oprah' Season Premiere
Oprah had her season debut of her last season and announced to her audience that they were all coming to Australia. (credit: Lisa Maree Williams/Getty Image)
Aug. 17: Dr. Laura Leaves Show
Dr. Laura Schlessinger left her syndicated radio show after a controversy over her use of the N-word a week prior. (credit: David Livingston/Getty Images)
Sept. 12: The Meat Dress
Singer Lady Gaga accepts the Video of the Year award onstage wearing a meat dress during the 2010 MTV Video Music Awards at NOKIA Theatre L.A. LIVE on September 12, 2010 in Los Angeles, California. (credit: Kevin Winter/Getty Images)
Sept. 21: 'Whip My Hair' Debuts
Nine-year-old Willow Smith's "Whip My Hair" song debuted. The daughter of Will Smith and Jada Pinkett-Smith's single hit #11 on the Billboard charts. (credit: Tullio M. Puglia/Getty Images)
Sept. 24: Stephen Colbert Testifies Before Congress
Comedian Stephen Colbert appeared on Capitol Hill to testify about immigration policy and his brief work as a day laborer. (credit: Saul Loeb/AFP/Getty Images)
Oct. 5: The 'Bed Intruder' Song Explodes
The autotuned version of a crime report exploded on the internet, creating a viral smash and a celebrity out of Antoine Dodson. (credit:YouTube.com)
Oct. 19: 'The Rent Is Too Damn High'
Jimmy McMillan stole the debate among N.Y. gubernatorial candidates by announcing 'The Rent Is Too Damn High." (credit: Audry C. Tiernan-Pool/Getty Images)
Oct. 26: Charlie Sheen Arrested
Actor Charlie Sheen was arrested after allegedly demolishing his room at the Plaza Hotel in NYC. (credit: Riccardo S. Savi/Getty Images)
Nov. 8: Conan Returns To TV
Conan O'Brien returned to late-night television when his eponymous "Conan" show premiered on TBS. (credit: Jason Merritt/Getty Images)
Nov. 16: The Royal Engagement Is Announced
Britain's Prince William and Kate Middleton announced their engagement. (credit: Ben Stansall/AFP/Getty Images)
Nov. 23: Bristol Palin Dances With The Stars
Bristol Palin, the daughter of Sarah Palin, reached the finale of "Dancing With The Stars." Critics thought she was getting disproportionate support from Tea Party members. (credit: Jemal Countess/Getty Images)
Dec. 15: Ryan Reynolds And Scarlett Johansson Divorce
Ryan Reynolds and Scarlett Johansson announced their divorce after 2 years of marriage, less than a month after he was announced as 'People's Sexiest Man Alive'. (credit: Stephen Lovekin/Getty Images and Bryan Bedder/Getty Images)
Dec. 16: 'Larry King Live' Ends
TV host Larry King broadcast the last episode of CNN's 'Larry King Live.' (credit: Rodriguez/Getty Images)