Billie Piper’s marriage on New Year’s Eve has been surrounded by media coverage, due to the fact that her ex-husband, Radio 2 DJ Chris Evans, was invited to her wedding along with his new wife. Their relationship has remained so amicable after their divorce, which was finalised last year that it was claimed Evans even offered to stage the wedding reception. But is staying friends the best option? Can a genuine friendship between ex-partners really endure? Adele Parks, Sally Brampton and Paul Taylor join Jenni to ask how legitimate these friendships can be.