David Tennant and Billie Piper have been reunited on the set of the DR WHO Christmas special, according to the News of the World: Click here for more images from the set,They laughed and joked as they filmed the Christmas Special - after a year enjoying their own space.
Billie, 26, took a break from playing side-kick Rose to become a mum to Winston, now seven months old. And she filmed the third series of Secret Diary Of A Call Girl.
An onlooker at the south London set said: "Billie and David were joking about and seemed delighted to be working with one another again.
