Billie Piper (in-universe)/Non-valid sources

Billie Piper was depicted in several sources considered by this Wiki as "invalid sources".

Biography
At Christmas 2005, Billie was on the set of a Doctor Who episode, filming a scene involving her, Penelope Wilton, and a man dressed as a "Stickleback" - the result of a miscommunication between Russell T Davies and the BBC Wales design department. (COMIC: Doctor Whoah! 369)

On the set of the episode New Earth, she and David Tennant filmed a scene involving "ultra realistic" cat people, an idea that proved inpractical. (COMIC: Doctor Whoah! 370)

She once "freaked out" when David showed her his mole, who he called "Daniel". (COMIC: Doctor What 5) She later returned to Doctor Who in the episode, The Day of the Doctor, where she played a "completely different character". (WC: Strax Saves the Day)