

NATO Commander in Afghanistan Gen. David Petraeus, give a 'thumbs-up' signal before introducing President Obama at a rally during an unannounced visit at Bagram Air Field in Afghanistan on Dec. 3. Pablo Martinez Monsivais/AP
Talk show host Oprah Winfrey gestures as she meets her fans in Melbourne, Australia, Dec. 10. David Crosling/AP
Barbara Walters is shown with pop sensation Justin Bieber during an interview for 'Barbara Walters Presents: The 10 Most Fascinating People of 2010,' an hour-long ABC News special which aired Dec. 9. Lou Rocco/ABC/AP
Cast members from MTV's 'Jersey Shore,' from left, Ronnie Ortiz-Magro, Sammi Giancola, Jenni Farley, Paul DelVecchio, Nicole Polizzi, and Vinny Guadagnino pose for a portrait in Los Angeles, in this Sept. 13 file photo. Matt Sayles/AP/File
Barbara Walters (r.) poses with former Alaska Gov. Sarah Palin during an interview for 'Barbara Walters Presents: The 10 Most Fascinating People of 2010,' an hour-long ABC News special which aired Dec. 9. Lou Rocco/ABC/AP
Britain's Prince William and his fiancee Kate Middleton (l.) pose for a photograph in St. James's Palace, central London on Nov. 16. Middleton is on the list of Barbara Walters 10 most fascinating people of 2010. Suzanne Plunkett/AP
Actress Betty White reacts to applause during a ceremony where she was named an Honorary Forest Ranger by the US Forest Service, at the Kennedy Center in Washington Washington on Nov. 9. Cliff Owen/AP
Sandra Bullock accepts the Oscar for best performance by an actress in a leading role for 'The Blind Side' at the 82nd Academy Awards in the Hollywood section of Los Angeles on March 7. Mark J. Terrill/AP/File
Jennifer Lopez attends a launch party for the new Gucci children's collection in Beverly Hills, California on Nov. 20. Phil McCarten/Reuters
Miami Heat forward LeBron James (r.) works to get around Utah Jazz center Francisco Elson during the first half of their NBA basketball game in Salt Lake City, Utah, Dec. 8. Jim Urquhart/Reuters