Exciting times. It looks as though the new companion joining Matt Smith in Doctor Who Series 7 will be officially announced tomorrow morning.

BBC entertainment news’ Lizo Mzimba wrote: “Looks like there’ll be some big news announced at a press conference tomorrow morning!”

Daily Mirror TV Editor, Mark Jefferies added: “BBC source has confirmed to me they will unveil new Doctor Who assistant tomorrow. She is “pretty” but “not household name”

So not Sophia Myles, after all? This is the last chance to get your guesses in for who it might be.