Paltrow will perform "Coming Home" from her film "Country Strong" at the 83rd Academy Awards Feb. 27 at the Kodak Theatre at Hollywood & Highland Center. The event is to be televised live on the ABC Television Network.
Original Song nominees A.R. Rahman and Florence Welch, of Florence + the Machine, will perform "If I Rise" from the film "127 Hours." Rahman is nominated for writing the music, while Dido and Rollo Armstrong are also nominated for the song's lyrics.
Alan Menken, who is nominated for penning the music for "I See the Light" from the animated film "Tangled," will accompany singers Levi and Mandy Moore on the piano. Glenn Slater is also nominated for the song's lyrics.
Randy Newman will perform his nominated song "We Belong Together" from the animated film "Toy Story 3," the Academy of Motion Picture Arts and Sciences said.
Notable deaths of 2014 [PHOTOS]