I'm posting this here and not in Spoilers because this news is already all over the British media, including the Doctor Who website. Casting announcement for the 2007 Christmas special:
Kylie Minogue on board for Titanic festive special.
We're all feeling lucky, lucky, lucky that Kylie Minogue is to take a major lead role in the hour-long Doctor Who Christmas special, to be broadcast in December 2007.
Especially for you, Kylie will be travelling light years to join David Tennant for the episode, Voyage Of The Damned, which starts filming in July in Cardiff.
"We are delighted and excited to announce that Kylie Minogue will be joining the Doctor," revealed Executive Producer and lead writer Russell T Davies.
"Doctor Who Xmas specials are always a joy and we feel very confident that this will be the most ambitious and best Christmas episode yet."
"It is an incredible thrill to be joining David and the entire Doctor Who production for this year's Christmas special," added Kylie. "Doctor Who enjoys a unique history and it is going to be very exciting to be a part of that."
The production team has also confirmed that the story, written by Russell, will follow on directly from the ending of series three where viewers witnessed The Titanic crash through the Tardis walls.
Full details are currently under wraps, with more information to be announced shortly. We'll confide in you as soon as we can. The fourth series of Doctor Who will be back in the Spring of 2008.