The fashion was fabulous and host Neil Patrick Harris has been hailed one of the best yet, but of course theAcademy Awards are really about one thing - celebrating the film industry.
Who picked up a much-wanted gold statue? Find out in the full list of the 2015 Oscar winners below:
Best Picture
Birdman - Alejandro G. Inarritu, John Lesher and James W. Skotchdopole
Best Director
Alejandro González Iñárritu - Birdman
Best Actor
Eddie Redmayne - The Theory of Everything
Best Actress
Julianne Moore - Still Alice
Best Supporting Actor
J.K. Simmons - Whiplash
Best Supporting Actress
Patricia Arquette - Boyhood
Achievement in Costume Design
Milena Canonero - The Grand Budapest Hotel
Achievement in Make up and Hairstyling
Frances Hannon and Mark Coulier - The Grand Budapest Hotel
Best Foreign Language Film
Ida – Pawel Pawlikowski
Best Live Action Short Film
The Phone Call - Matt Kirkby and James Lucas
Best Documentary Short Subject
Crisis Hotline: Veterans Press 1 - Ellen Goosenberg Kent and Dana Perry
Original Screenplay
Birdman – Alejandro G. Iñárritu, Nicolás Giacobone, Alexander Dinelaris, Jr. and Armando Bo
Achievement in Sound Mixing
Whiplash - Craig Mann, Ben Wilkins, Thomas Curley
Achievement in Sound Editing
American Sniper - Alan Robert Murray Bub Asman
Achievement in Visual Effects
Interstellar - Ian Hunter, Scott Fisher, Andrew Lockley and Paul Franklin
Best Animated Short
Feast - Patrick Osborne and Kristina Reed
Best Animated Movie
Big Hero Six - Don Hall, Chris Williams and Roy Conli
Achievement in Production Design
The Grand Budapest Hotel - Adam Stockhausen and Anna Pinnock
Achievement in Cinematography
Birdman - Emannuel Lubezki
Achievement in Film Editing
Whipalsh - Tom Cross
Best Documentary Feature
Citizen Four - Laura Poitras, Mathilde Bonnefoy and Dirk Wilutzky
Best Original Song
Glory - John Stephens and Lonnie Lynn
Best Original Score
The Grand Budapest Hotel - Alexandre Desplat
Best Adapted Screenplay
The Imitation Game – Graham Moore
Don't miss the style highlights from the Oscars red carpet below:
Guess which newly-married couple looked all loved-up?