The document summarizes the key events and winners of the 87th Academy Awards ceremony. Birdman won Best Picture, with other top awards going to Julianne Moore for Best Actress in Still Alice, J.K. Simmons for Best Supporting Actor in Whiplash, and Alejandro González Iñárritu for Best Director of Birdman. The ceremony also featured musical performances by Common, John Legend, Lady Gaga, and Tim McGraw.

1. 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

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

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

9. REUTERS/Mike Blake

10. 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

11. 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

12. 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

13. 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

14. 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

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

16. 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

17. 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.

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

19. 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

20. 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

21. 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

22. 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

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

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

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

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

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

28. REUTERS/Mike Blake

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

30. 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

31. 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

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

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

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

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

36. 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

38. REUTERS/Lucas Jackson

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

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

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

43. REUTERS/Lucas Jackson

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