** FILE ** In this Aug. 28, 2011, file photo, Jason Trawick and Britney Spears arrive at the MTV Video Music Awards in Los Angeles. A judge says Spears' one-time fiance Jason Trawick has resigned as her co-conservator on Friday, Jan. 11, 2013. (AP Photo/Chris Pizzello, file)
** FILE ** In this Aug. 28, 2011, file photo, Jason Trawick and Britney Spears arrive at the MTV Video Music Awards in Los Angeles. A judge says Spears' one-time fiance Jason Trawick has resigned as her co-conservator on Friday, Jan. 11, 2013. (AP Photo/Chris Pizzello, file)
Stevie Wonder and the Rickey Minor Band perform "Master Blaster," "My Cherie Amour" and "Sir Duke" during a tribute to Dick Clark as an image of Clark with Britney Spears and LL Cool J is displayed at the 40th Anniversary American Music Awards in Los Angeles on Nov. 18, 2012. (John Shearer/Invision/Associated Press)
** FILE ** Singer and "X Factor" judge Britney Spears attends the Fox network upfront presentation party at Wollman Rink in New York on Monday, May 14, 2012. (Associated Press)
**FILE** Singer and "X Factor" judge Britney Spears attends the FOX network upfront presentation party at Wollman Rink in New York on May 14, 2012. (Associated Press)
In this Feb. 11, 2012, file photo, singer Britney Spears arrives at the Pre-Grammy Gala & Salute to Industry Icons with Clive Davis honoring Richard Branson in Beverly Hills, Calif. Testimony is scheduled to begin on Tuesday, Oct. 16, 2012, in a libel, defamation and breach of contract case filed against Spears and her parents by the singer’s former confidante and manager, Osama “Sam” Lutfi. (AP Photo/Vince Bucci, file)
In this Feb. 11, 2012, file photo, singer Britney Spears arrives at the Pre-Grammy Gala & Salute to Industry Icons with Clive Davis honoring Richard Branson in Beverly Hills, Calif. Testimony is scheduled to begin on Tuesday, Oct. 16, 2012, in a libel, defamation and breach of contract case filed against Spears and her parents by the singer’s former confidante and manager, Osama “Sam” Lutfi. (AP Photo/Vince Bucci, file)
The judges from "The X Factor" — (from left) L.A. Reid, Demi Lovato, Britney Spears and Simon Cowell — attend the show's second-season premiere at Grauman's Chinese Theatre on Tuesday, Sept. 11, 2012, in Los Angeles. (AP Photo/Jordan Strauss, Invision)
The judges from "The X Factor" — (from left) L.A. Reid, Demi Lovato, Britney Spears and Simon Cowell — attend the show's second-season premiere at Grauman's Chinese Theatre on Tuesday, Sept. 11, 2012, in Los Angeles. (AP Photo/Jordan Strauss, Invision)
