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LOS ANGELES, California (Reuters) -- Britney Spears has filed for divorce from K-Fed after two years of marriage.
Her divorce petition cited irreconcilable differences with husband Kevin Federline and came just two months after the birth of their second child.
Hours after abruptly filing for divorce in Los Angeles Superior Court, Spears, 24, went skating at the Rockefeller Center ice rink Tuesday and looked upbeat in a video posted on the Web site TMZ.com. (Watch her jerky spin on the ice -- 2:04)
Documents listed the date of the separation as Monday.
Spears did not seek spousal support but asked for sole custody of her two sons with Federline, one-year-old Sean Preston, and Jayden James, born September 12.
Neither Spears nor Federline made any comment Tuesday. (Divorce document)
Rumors had swirled for months that the marriage between the pop princess and aspiring rap artist had turned rocky, but Spears said nothing in her Monday evening appearance on "The Late Show with David Letterman" to suggest that divorce was imminent.(Watch what K-Fed said about the relationship recently; see the new thin, trendy Britney -- 1:21)
Observers noted, however, she was not wearing her wedding ring and celebrity magazines reported Tuesday that Spears was a no-show at a New York launch party last week for Federline's first album "Playing With Fire."
In Touch magazine said Spears had been spotted in tears at a New York restaurant last week. Us Weekly said the two had stayed in separate hotels in New York.
In the summer, Spears denied she was estranged from her husband, telling a television interviewer he had helped her weather the ups and downs of her second pregnancy.
In July, she won an apology from the British edition of The National Enquirer, which had reported that Spears was ready to divorce Federline.
Spears shot to fame as a teen-age blonde sex kitten in 1999 and has sold more than 70 million albums to become one of the best-known celebrities in the world.(Gallery)
Federline, 28, who was a dancer in her raunchy music videos before their 2004 secret wedding, has lived in her shadow. Often referred to as Mr. Britney Spears, or K-Fed, he has two other children by his former girlfriend, actress Shar Jackson.
The "Oops! ... I Did It Again" singer put her phenomenal recording career on hold after her wedding and the birth of the couple's first child in September 2005.
But the couple, who live in Malibu, California, continued to make headlines wherever they went. K-Fed was reportedly skipping Dad duties and partying while Spears, struggling with pregnancy weight gain, spent more time with her mother and younger sister.
They chronicled their marriage in a raunchy 2005 TV reality show called "Britney & Kevin: Chaotic" showing home videos of Spears filming Federline naked in a shower and Spears interviewing Federline during a night-time bus ride while she was naked.
Despite complaining of harassment from paparazzi, Spears announced her second pregnancy on a TV chat show and posed nude for Harper's Bazaar magazine when she was six-months pregnant.
In a decision made public Monday, a Los Angeles judge dismissed a libel suit brought by Spears accusing Us Weekly magazine of fabricating a story about a sexually explicit video the pop star and her husband made together. (Full story)
The judge said Spears had "put her modern sexuality squarely, and profitably, before the public eye." (Watch previous appearances of Spears in revealing outfits -- :46)
Spears' marriage to Federline was her second after a 2004 spur-of-the-moment wedding in Las Vegas to a former high school sweetheart that was quickly annulled. Court papers revealed the marriage to Federline officially began October 6, 2004, and not September 18, as was originally believed.
Britney Spears with her husband Kevin Federline in happier days.