Astrid Peth "a full return to the limelight", Minogue's appearance was not universally praised. Gareth McLean, a TV writer for "The Guardian", described Minogue as "not that good...she's blank and insipid". McLean wrote: "There's no chemistry between Astrid and the Doctor, she delivers her lines with a real lack of conviction and thus we never really believe in Astrid as a character. Where Catherine Tate's Donna in last year's special was overbearing, Kylie Minogue's Astrid is hardly there at all. It does make you wonder why casting Kylie was regarded as a coup. She's a pop star – of course she's going
The Peth "Crystal Peth" has been recorded but has yet to be released. The Peth Y Peth (English language: The Thing) are a band formed in 2008 by Super Furry Animals drummer Dafydd Ieuan as "an excuse to spend large chunks of his time in a recording studio" while other members of the Super Furry Animals were busy with solo projects. Ieuan asked actor, and former Super Furry Animals lead singer, Rhys Ifans to provide vocals for several tracks he had written, and recruited eight other people for the group, including Super Furry Animals bassist Guto Pryce, Meilyr Gwynedd, Osian Gwynedd, Mick