Jamie Lynn Spears had some harsh criticisms about Britney Spears' parenting - or lack thereof - when it came to her two sons! That's what Kevin Federline claims in his upcoming memoir - and he brought receipts! The 47-year-old former dancer revealed in You Thought You Knew, which drops on Tuesday, that his current wife, Victoria Prince, remains in touch with his ex-wife's family, including the Zoey 101 alum. He even shared two messages Jamie Lynn sent to her following the termination of Britney's conservatorship in 2021, in which she basically went off about her sister.