With Kevin Federline’s lawyer Mark Vincent Kaplan already serving Alli Sims with a court summons requiring her to testify on the parenting skills of Britney Spears, a source tells PerezHilton.com to expect more. “That was only phase one,” the tipster revealed. “Alli will not be the only one. Expect Mark Vincent Kaplan to serve legal papers on others close to Britney. Kevin is serious about the well-being of his children. This is not about money.” Read more.