Kylie Minogue and David Tennant

Kylie steps back in time with Doctor Who

Updated 15.00 Thu Jul 12 2007

Kylie Minogue has begun filming the Christmas special of Doctor Who in Wales.

The show features a number of celebrity cameos and includes an appearance by Minogue.

Kylie Minogue has been cast as Astrid, a waitress on the Titanic and appears alongside actor David Tennant.

The singer has been cast as Astrid, a waitress on the Titanic who appears alongside actor David Tennant.

The episode, Voyage Of The Damned, began filming in Cardiff this month.

The story follows on directly from the ending of the third series, when viewers saw the Titanic ship crash through the walls of the Tardis.

Sitcom actors Geoffrey Palmer and Clive Swift will also play lead roles in the Christmas episode.

The fourth series of Doctor Who will feature comedienne Catherine Tate as an assistant.

© Independent Television News Limited 2007. All rights reserved.