The "Zoey 101" alum's alleged texts blasted her pop star sister as an absentee parent "incapable" of taking "accountability."

Kevin Federline has reportedly included texts from Jamie Lynn Spears about Britney Spears in his soon-to-be-released memoir.

Kevin Federline’s new memoir apparently contains text messages sent from Jamie Lynn Spears to Federline’s wife Victoria Prince. To the surprise of no one, those private messages did not have the best things to say about Britney Spears.

Jamie Lynn Spears criticized her sister Britney Spears’s parenting and thanked Kevin Federline and his wife, Victoria Prince, for raising his and Britney’s two sons, according to Federline’s new memoir.

When Kevin Federline dropped hints about shocking new revelations in his memoir "You Thought You Knew," it didn’t take long for one of the most explosive pieces to surface, including two allegedly private text messages sent by Jamie Lynn Spears to his current wife,

Jamie Lynn Spears had some choice words about her sister Britney's parenting style. According to the pop star's ex-husband Kevin Federline, Jamie Lynn, 34, roasted her sibling in a scathing message to his current wife,

Jamie Lynn Spears has unfollowed her former brother-in-law, Kevin Federline, on Instagram following the release of his memoir that included her private text messages without permission, according to Us Weekly.