Britney Spears revealed in her bombshell-riddled memoir that she had no idea that her ex-husband Kevin Federline was expecting a child with another woman when they began dating in 2004.

Britney Spears writes in her book, "The Woman in Me," that she was "clueless" Kevin Federline had a baby on the way with Shar Jackson when they started dating in 2004.

Britney Spears and Kevin Federline met in 2004, tied the knot that year and filed for divorce in 2006. Together, they share sons Sean Preston and Jayden James.

Singer Britney Spears with ex-husband Kevin Federline in 2006 (Getty Images) Spears suffered a mental breakdown in 2008 and was placed on a 5150 psychiatric hold, leaving Federline to retain sole ...

Britney Spears fired back at ex-husband Kevin Federline Saturday night over an interview he did, claiming their two sons are choosing not to see her. "One word: Hurtful," the pop star wrote in her ...

Britney Spears, right, and her then-husband Kevin Federline, shown in 2006 in Beverly Hills. Federline said in a recent interview that their children “are not seeing her right now.” ...

Britney Spears is at odds with her ex-husband Kevin Federline after he made public claims that their two teenage sons have not seen her in months. Federline, 44, alleged sons Sean Preston, 16, and ...

Britney Spears’ attorney, Mathew Rosengart, is coming to his pop star client’s defense after her ex-husband Kevin Federline attempted to disparage her character by leaking videos of her ...

Britney Spears‘ lawyer is coming to her defense in the wake of her ex-husband, Kevin Federline, suddenly speaking publicly about Spears and their two sons.. Federline, the former backup dancer ...

Britney Spears has 2 kids with Kevin Federline. Here's what she has said about her sons. ... Spears and Kevin Federline's youngest son, Jayden Federline, arrived in September 2006.

Kevin Federline and Britney Spears at the 2004 Billboard Music Awards. KMazur / WireImage. Before meeting Spears, Federline was a backup dancer for her ex-boyfriend, Justin Timberlake.

Britney Spears and Kevin Federline (Jeffrey Mayer / WireImage) The newlyweds welcomed their first child, a son named Sean Preston Federline, in September 2005.