Idina Menzel and John Travolta present the Oscar for best original song at the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

Host Neil Patrick Harris shares the stage with memorable characters from films past in the Oscars opening. MIKE BLAKE/Newscom/Reuters

Host Neil Patrick Harris stands next to a sealed briefcase holding his predictions of the Oscar winners during the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

Actor Michael Keaton (L) and director Alejandro Inarritu accept the Oscar for best picture for his film "Birdman or (The Unexpected Virture of Ignorance)"during the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

Actress Patricia Arquette accepts the award for Best Actress in a Supporting Role forBoyhood. She spoke out for gender equality in her speech: “It’s our time to have wage equality once and for all and equal rights for women in the United States of America!” Kevin Winter/Getty Image

Director Alejandro Inarritu accepts the Oscar for best picture for his film "Birdman or (The Unexpected Virture of Ignorance)"during the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

Actress Cate Blanchett presents the Oscar for best actor to Eddie Redmayne for his role in "The Theory of Everything" during the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

Emmanuel Lubezki poses with the Oscar for best cinematography for the film "Birdman or (The Unexpected Virture of Ignorance)," during the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Lucy Nicholson

REUTERS/Mike Blake

Julianne Moore reacts after winning the Oscar for Best Leading Actress for her role in "Still Alice" at the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

Writer Graham Moore (2nd R) celebrates with cast members after winning the Oscar for best adapted screenplay for the film "The Imitation Game" during the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

J.K. Simmons, winner of the award for best supporting actor nominee for his role in "Whiplash," kisses the hand of presenter Lupita Nyong'o during the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Lucy Nicholson

Singer Lady Gaga performs a tribute toSound of Music on its 50th anniversity that wowed Julie Andrews, who joined Lady Gaga onstage.

John Shearer/Invision/AP

Common and John Legend perform the Oscar nominated song "Glory" from the film "Selma" at the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

Actor Benedict Cumberbatch and his new wife, Sophie Hunter, share a moment at the 87th Academy Awards. Christopher Polk/Getty Images

Ellen Goosenberg and Dana Perry hold their Oscars for Best Documentary Short Subject for the film "Crisis Hotline: Veterans Press 1" at the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

Kevin Winter/Getty Images; MIKE BLAKE/Newscom/Reuters;Tribute to those who passed away

Mickey Rooney, Lauren Bacall, Mike Nichols and Robin Williams were among those honored during the "In Memoriam" tribute.

Actor Robin Williams is honored during the "In Memoriam" segment of the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

ulie Andrews hugs Lady Gaga after she performed songs from the Sound of Music at the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

Patricia Arquette is congratulated by actor Ethan Hawke after winning the Oscar for Best Supporting Actress for her role in "Boyhood" at the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

Neil Patrick Harris refers to a scene from the Oscar nominated film "Birdman" while hosting the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

J.K. Simmons is congratulated by his wife Michelle Schumacher after winning the best supporting actor Oscar for his role J.K. Simmons in "Whiplash," at the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

Director Pawel Pawlikowski holds his Oscar for best foreignlanguage film for "Ida" with presenters Chiwetel Ejiofor and Nicole Kidman during the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Lucy Nicholson

Singer Rita Ora performs the song "Grateful" from the film Beyond the Lights.John Shearer/Invision/AP

Host Neil Patrick Harris begins the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

Mat Kirkby (L) and James Lucas pose with their award for best live action short film for "The Phone Call" during the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Lucy Nicholson

Actor Jack Black "crashes" host Neil Patrick Harris and Anna Kendrick's duet in the Oscars opening performance. MIKE BLAKE/Newscom/Reuters

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Adam LevineSinger Adam Levine of Maroon 5 performs"Lost Stars" from Begin Again. Kevin Winter/Getty Images

Julianne Moore (L), best actress nominee for her role in "Still Alice," meets Zoe Saldana before the show at the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

Oscars host Neil Patrick Harris adjusts the tie of his husband David Burtka (as they arrive at the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Lucas Jackson

Country singer Tim McGraw performs Best Original Song nominee "I'm Not Gonna Miss You" and drew many tears in the audience.

Jennifer Aniston and Emma Stone embrace at the Oscars. Jordan Strauss/Invision/AP

Michael Strahan and Adam Levine greet each other. Matt Sayles/Invision/AP

Actress Reese Witherspoon takes a selfie with fans.Christopher Polk/Getty Images

Tim McGraw acts like he is about to bite his wife Faith Hill at the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mike Blake

REUTERS/Lucas Jackson

Eddie Redmayne and his wife, Hannah Bagshawe, arrive for the ceremony.

Actors David Oyelowo (L) and Michael Keaton talk at the 87th Academy Awards in Hollywood, California February 22, 2015. REUTERS/Mario Anzuoni

The cast and crew from Best Animated Feature Film nominee Big Hero 6 pose together.Lucas Jackson/Reuters

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Singer Lady Gaga greets Keira Knightley on the red carpet. Jason Merritt/Getty Images