Gallery: Stay away from my kids! The messiest celebrity custody battles (BANG Showbiz)Britney has been under conservatorship since 2008, which put her father Jamie Spears in charge of her life and finances following her breakdown but she has been fighting to get out of the arrangement for several years. Jason became co-conservator when he got engaged to Britney and conservatorships expert Austin Bertrand suggested that the documents prove that the pair were married.