Laurence Fox has hit out after his ex-wife Billie Piper admitted she finds co-parenting with him “enormously” difficult. Controversial broadcaster and actor Laurence, 45, blasted Billie, 41 – who he was married to from 2007 to 2016 – and called her comments “outright lies”. In a lengthy post on X (formerly Twitter), he wrote: “I will not stay silent in the face of outright lies. “The reality is that not all marriages work out and the world isn’t perfect. “I do however take great exception to the assertion that co-parenting with me is enormously difficult. “I have never tried to deny our boys a…