Host Ellen DeGeneres kicks off the 86th annual Academy Awards on Sunday night.
Jared Leto accepts the award for best supporting actor for his role in "Dallas Buyers Club."
Lupita Nyong'o hugs director Steve McQueen after winning best supporting actress for her role in "12 Years a Slave."
Pink sings "Over the Rainbow" while scenes from "The Wizard of Oz" are projected in the background. The performance was a tribute to the film's 75th anniversary.
Host Ellen DeGeneres channels Glinda the Good Witch from "The Wizard of Oz."
Glenn Close presents the annual "In Memoriam" tribute.
Bette Midler sings "Wind Beneath My Wings" during the "In Memoriam" segment.
Angelina Jolie and Sidney Poitier present Alfonso Cuaron with the best director Oscar for "Gravity."
Brad Pitt helps Ellen DeGeneres hand out pizza slices to members of the audience.
U2 performs its Oscar-nominated song "Ordinary Love" from the movie "Mandela: Long Walk To Freedom."
Karen O of the Yeah Yeah Yeahs and Ezra Koenig of Vampire Weekend perform a duet of "The Moon Song."
Pharrell Williams sings near Meryl Streep during his performance of "Happy."
Amy Adams greets Bill Murray on stage. While reading the names of those nominated for best achievement in cinematography, Murray also mentioned director Harold Ramis his "Ghostbusters" co-star who died last month at the age of 69.
Cate Blanchett reacts after winning best actress for her role in "Blue Jasmine."
Leonardo DiCaprio, left, congratulates Matthew McConaughey for winning the best actor Oscar for "Dallas Buyers Club." DiCaprio, who starred in "The Wolf of Wall Street," was also up for the award.
Ellen DeGeneres takes a moment during the show to orchestrate a selfie with a group of stars. Bradley Cooper, seen in the foreground, was holding the phone at the time. "If only Bradley's arm was longer," Degeneres tweeted "Best photo ever." It became the most retweeted post of all time.
Director Steve McQueen, left, celebrates with the cast and crew of "12 Years a Slave" as they accept the Academy Award for best picture.