Pop sensation Lady Gaga has joined the line-up of stars performing at the Oscars.
Gaga, 28, will make a special tribute performance at the 87th Oscars, said show producers Craig Zadan and Neil Meron.
"Lady Gaga is a once in a lifetime artist who's musical evolution keeps growing. We are proud to have her perform on the Oscars for the very first time," Zadan and Meron said in a statement.
Producers have earlier announced singers Jack Black, Anna Kendrick, and Jennifer Hudson will participate in the ceremony.
Meanwhile, Chiwetel Ejiofor, Chris Evans, Dakota Johnson, Jennifer Lopez, Chloe Grace Moretz, Eddie Murphy and Margot Robbie have been added to the list of presenters for this year's Oscars.
Funnyman Neil Patrick Harris hosts the 87th ceremony on February 22 from the Dolby Theatre in Hollywood.
Ejiofor, 37, received his first Oscars nomination last year for his lead performance in 12 Years a Slave. He previously appeared in films like Salt, American Gangster, Children of Men and Dirty Pretty Things. His upcoming films include Z for Zachariah and Triple Nine.
Evans, 33, made his directorial debut this year with Before We Go. As an actor, he starred in Captain America: The Winter Soldier, reprising the role of the patriotic superhero he played in Captain America: The First Avenger and Marvel's The Avengers.
Johnson will star in Fifty Shades of Grey, which opens this month. The 25-year-old model-actor appeared in hits such as The Five-Year Engagement, 21 Jump Street and The Social Network'. Johnson will next be seen in the upcoming films A Bigger Splash and Black Mass.
Lopez can currently be seen in the thriller The Boy Next Door.
The 87th Oscars will be held on February 22, 2015, at the Dolby Theatre and Highland Center in Hollywood.