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

Jamie Lynn Spears wrote a letter to Kevin Federline and his wife praising them for how they’ve raised his sons with ex Britney Spears, while expressing her resentment for her older sister, according to Federline’s new memoir.

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.

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.

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 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,