Britney Spears

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  ** FILE ** Britney Spears arrives at court for a hearing to work out custody arrangements with her ex-husband Kevin Federline for their two young sons in this Oct. 26, 2007, file photo in Los Angeles. Spears' latest album "Blackout" hits stores Tuesday, Oct. 29, as the 25-year-old pop star flounders in a boatload of bad publicity. But despite her panty-less pictures, parenting problems and nonstop partying, fans and critics expect the album to succeed. (AP Photo/Chris Polk, file)

  AP

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  ** FILE ** In this photo released by Jive Records, the cover for Britney Spear's latest album, "Blackout" is shown. "Blackout" hits stores Tuesday, Oct. 29, 2007, as the 25-year-old pop star flounders in a boatload of bad publicity. But despite her panty-less pictures, parenting problems and nonstop partying, fans and critics expect the album to succeed. (AP Photo/Jive Records) ** NO SALES **

  AP

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  LOS ANGELES - OCTOBER 26: Britney Spears leaves the Stanley Mosk Courthouse after a hearing regarding her ongoing child custody case on October 26, 2007 in Los Angeles California. (Photo by Toby Canham/Getty Images)

  Getty Images

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  Britney Spears drives her car out of the garage of Los Angeles Superior Court after a child custody hearing with her ex-husband regarding her two sons in Los Angeles, California October 26, 2007. REUTERS/Fred Prouser (UNITED STATES)

  Reuters

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  Britney Spears arrives at court for a hearing to work out custody arrangements with her ex-husband Kevin Federline for their two young sons on Friday, Oct. 26, 2007, in Los Angeles. (AP Photo/Dan Steinberg)

  AP

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  Britney Spears arrives at a Los Angeles court for a hearing to work out custody arrangements with Kevin Federline for their two young sons on Friday, Oct. 26, 2007, in Los Angeles. (AP Photo/Kevork Djansezian)

  AP

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  Britney Spears arrives at a Los Angeles court for a hearing to work out custody arrangements with Kevin Federline for their two young sons on Friday, Oct. 26, 2007, in Los Angeles. (AP Photo/Kevork Djansezian)

  AP

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  Britney Spears drives her Mercedes Benz with her assistant Alli Simms (L) as she leaves the Stanley Mosk Courthouse garage after a child custody hearing with her ex-husband regarding her two sons in Los Angeles, California October 26, 2007. REUTERS/Fred Prouser (UNITED STATES)

  Reuters

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  Britney Spears drives her car out of the garage of Los Angeles Superior Court after a child custody hearing with her ex-husband regarding her two sons in Los Angeles, California October 26, 2007. REUTERS/Fred Prouser (UNITED STATES)

  Reuters

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  Britney Spears drives her Mercedes Benz as she leaves the Stanley Mosk Courthouse garage after a child custody hearing with her ex-husband regarding her two sons in Los Angeles, California October 26, 2007. REUTERS/Fred Prouser (UNITED STATES)

  Reuters