Former X Factor finalist Amelia Lily will switch on the Christmas lights and Bracknell's Got Talent winner Joe Emmett will also entertain the crowds.
Amelia Lily will perform in Charles Square at 5pm on Sunday and switch on the town centre's lights at 5.20pm.
Other performers include Glee Club Bracknell, R&B group 3RA and the Zingzillas musical show.
Events on Saturday
10.30am - Father Christmas arrives in the town centre as part of a parade
11am - Santa's Grotto opens at Bentalls in Princess Square
Noon - 3RA
1pm - Artemis performing arts school junior dance team
2.30pm - Artemis teen groups and graduate
3pm - Joe Emmett
4pm - School of the Arts
Events on Sunday
11am, noon and 1pm - ZingZillas
2pm - Children can meet ZingZillas
3.45pm - Artemis junior and senior dance teams
4.30pm - Amelia Lily switches on Princess Square shopping centre lights
5pm - Amelia Lily performs at Charles Square
5.20pm - Amelia Lily turns on the Christmas lights with Father Christmas
A firework display will take place afterwards.