X Factor contestant Ella Henderson will be among Brendan O'Connor's guests on the Saturday Night Show's Christmas party at 9:55pm on RTÉ One.
Take a look at a best of Christmas clips on The Saturday Night Show on YouTube here.
Henderson will discuss her future and will sing "a very special Christmas song".
Also joining O'Connor on Saturday night will be comic Pat Shortt and Panto Queen Linda Martin.
Former EastEnders star Martine McCutcheon will be discussing her recent wedding to her Irish husband and starring role in Christmas favourite Love Actually.
Ahead of the season finale of Love/Hate on RTÉ One on Sunday night at 9:30pm, host O'Connor will also be joined by one of the stars of the show.