Paris Hilton, who is rarely seen without her pint-sized Chihuahua on her arm, was at the forefront of a fashion trend that has swept the celebrity world. Here Hilton is pictured with the pooch in question, Tinkerbell, as she strikes a pose on Miami Beach in March 2004.
Oscar-winning actress Susan Sarandon is riding this newest fashion wave as well, even going to the extent of purchasing a designer dog purse for her canine friend. Here she is, right, with daughter Eva Amurri, left, and dog Penny as they attend the grand opening of the Longchamp U.S. Flagship Store in New York on May 23, 2006.
Actresses and sisters Hilary Duff, left, and Haylie Duff, right, both of whom are avid dog lovers, pose with their smiling Pomeranian during the GW Little Pet Fashion Show at the Century Plaza Hotel in Los Angeles on Nov. 9, 2004.
E! Channel's red carpet diva and "The View" co-host Star Jones Reynolds arrives with her dog at the 57th Annual Emmy Awards held at the Shrine Auditorium in Los Anglees on Sept. 18, 2005. The dog's purple neck ribbon matches her owner's dress.
Even President George W. Bush and his wife, Laura, have been spotted sporting their dogs around town. Here the president carries Barney as the first lady holds Miss Beazley after stepping off Air Force One following their arrival in Waco, Texas, on Dec. 26, 2005.
Model Beth Ostrosky, better known as Sirius Radio shock jock Howard Stern's girlfriend, and her bulldog, Bianca, arrive at the Animal Fair Magazine's 7th annual "Paws for Style" fashion show at Crobar in New York on April 4, 2006. Bianca doesn't seem as impressed with her attire as Ostrosky is.
TV actress and star of "The Scorpion King," Kelly Hu attends Much Love Animal Rescue Presents Shop 'Til You Drool at the 5th & Sunset Studios in Los Angeles on April 30, 2005. The Hawaiian stunner dressed her dog in duds that matched hers.
Actress Shannon Elizabeth and her dog Ewok wear matching clothes, ribbons and highlights as they arrive at the premiere of Columbia Pictures' "Tomcats" at the Universal City Walk Cinemas in Universal City, Calif., on March 28, 2001. Elizabeth owns five dogs.
Actress Tori Spelling and her pug puppy, Mimi LaRue, attend the 3rd Annual Bow-Wow-Ween at the Barrington Dog Park in Los Angeles on Oct. 31, 2004. Spelling decked out the pucker-faced Ms. LaRue in a collared red sweater, black shoes, and a fire orange wig tied on with string.
Legendary actress Lauren Bacall, who recently appeared on "The Sopranos," poses with her dog Sophie before signing updated copies of her memoir at Barnes and Noble in New York's Rockefeller Center on March 1, 2005.
Singer Britney Spears and her diamond-necklaced Chihuahua pup arrive at the 2004 Billboard Music Awards at the MGM Grand Garden Arena, in Las Vegas on Dec. 8, 2004. These days, Spears sports her son Sean Preston on her arm.
Singer, former Laker Girl and current "American Idol" judge Paula Abdul cuddles her dog Thumbelina as they attend the Cynthia Steffe Fall/Winter 2003 Collection fashion show at the Theater in New York's Bryant Park on Feb. 10, 2003, during Mercedes-Benz Fashion Week.
Former Playboy model Anna Nicole Smith poses in the press room with her dog after winning the Big Makeover Award at the VH1 Big in 04 at the Shrine Auditorium in Los Angeles on Dec. 1, 2004. Her dog rests in a designer Puchibag, made specifically for celebrity canines small enough to fit into one. (Photo by Carlo Allegri/Getty Images)
Model Molly Sims, formerly from "House of Style," and her disheveled pup arrive at the "Super Saturday L.A." designer garage sale in Los Angeles on Nov. 18, 2000. The garage sale benefitted the Ovarian Cancer Research Fund.
Academy Award-winning actress Charlize Theron lets her cocker spaniel strut its stuff at the 2004 Annual Lint Roller Party at the Hollywood Athletic Club on April 28, 2004.
Actress Anna Wilding poses and smiles at the after-party for the premiere of Warner Bros. Pictures "Must Love Dogs" at the Cinerama Dome Theater in Los Angeles on July 21, 2005. Wilding's dog sits comfortably in its Puchibag enclosure.