A press conference was recently held in London to confirm the stars that will be performing with the four contestants during the final this weekend.
It was confirmed that Cheryl Cole's act Rebecca Ferguson will be singing with Christina Aguilera while her other act Cher Lloyd will duet with her best pal Black Eyed Peas star Will.I.Am.
Simon Cowell has lined up Take That singer Robbie Williams to perform with his boy band One Direction and Dannii Minogue's act Matt Cardle will sing with pop superstar Rihanna.
Louis Walsh has no acts remaining in the competition.