Maisie Williams will be spending an hour of Christmas Day playing her favourite songs on Radio 1.
As well as letting us hear her top current tracks, the Doctor Who star will be travelling back in time to play some of her favourite Christmas classics.
One Direction and Little Mix will also host their own Superstar playlists on the day – check out the full Christmas Day line-up below.
1-2pm: One Direction
2-3pm: Demi Lovato
3-4pm: Troye Sivan
4-5pm: Little Mix
5-6pm: Maisie Williams
6-7pm: The Vamps
The run of guest DJs will start right after Greg James announces the Christmas Number 1 live on The Official Chart.