Randy Newman, Florence Welch, Mandy Moore and Gwyneth Paltrow will all sing at the Oscars.
They will all be performing their songs that are up for the Best Original Song Academy Award.
Randy Newman will sing 'We Belong Together' from Toy Story 3.
Florence Welch will join A.R. Rahman (who won two Oscars for his Slumdog Millionaire compositions) for 'If I Rise' from the soundtrack to Danny Boyle's new film 127 Hours.
Mandy Moore will join co-star Zachary Levi and composer Alan Menken to perform 'I See The Light' from Tangled.
And Gwyneth Paltrow will perform 'Coming home' from her country music-themed flick Country Strong.