The final episode of Extras, the comedy written by and starring Ricky Gervais and Stephen Merchant, was seen by 5.3 million people, overnight figures show.
Michael (left) recorded his scenes on Hampstead Heath in London
It won its timeslot, with 3.9 million viewers for ITV1's repeat of film The Queen and a further 2.8 million seeing Mrs Henderson Presents on BBC Two.
EastEnders was the evening's most popular show, watched by 10.6 million.
Gervais, who played a frustrated sitcom star, appeared beside guest stars such as George Michael and Gordon Ramsay.
The producer of Extras, Charlie Hanson, said he was "very pleased" with the ratings for the final edition of the show.
It had run for two series before this Christmas special, with previous cameo appearances from David Bowie, Kate Winslet and a naked Les Dennis.