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
A Christmas Carol (Doctor Who) Writer Steven Moffat, who is also head writer and executive producer of the series, wanted to make the special "really Christmassy" because the previous Christmas special, "The End of Time", had been darker than usual as it led to the Tenth Doctor's (David Tennant) regeneration. He stated that he had "never been so excited about writing anything. I was laughing madly as I typed along to Christmas songs in April". Moffat stated that "A Christmas Carol" was "probably [his] favourite Christmas story" and that it lent itself to "Doctor Who", as there was an aspect similar to time travel in