The event which was attended by dozens of nominees including Idris Elba, Matt Damon, Maggie Smith, Cate Blanchett, and Christian Bale also saw DiCaprio's close friend and former Titanic costar Kate Winslet scoop an award, picking up the "Best Supporting Actress" award for Steve Jobs.
Check out the complete list of winners below:
BEST FILM
The Revenant
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DIRECTOR
Alejandro G. Iñárritu, The Revenant
ORIGINAL SCREENPLAY
Spotlight, Tom McCarthy, Josh Singer
ADAPTED SCREENPLAY
The Big Short, Adam McKay, Charles Randolph
LEADING ACTOR
Leonardo DiCaprio, The Revenant
LEADING ACTRESS
Brie Larson, Room
SUPPORTING ACTOR
Mark Rylance, Bridge of Spies
SUPPORTING ACTRESS
Kate Winslet, Steve Jobs
ORIGINAL MUSIC
The Hateful Eight, Ennio Morricone
CINEMATOGRAPHY
The Revenant, Emmanuel Lubezki
EDITING
Mad Max: Fury Road, Margaret Sixel
PRODUCTION DESIGN
Mad Max: Fury Road, Colin Gibson, Lisa Thompson
COSTUME DESIGN
Mad Max: Fury Road, Jenny Beavan
MAKEUP AND HAIR
Mad Max: Fury Road, Lesley Vanderwalt, Damian Martin
SOUND
The Revenant, Lon Bender, Chris Duesterdiek, Martin Hernandez, Frank A. Montaño, Jon Taylor, Randy Thom
SPECIAL VISUAL EFFECTS
Star Wars: The Force Awakens, Chris Corbould, Roger Guyett, Paul Kavanagh, Neal Scanlan
FILM NOT IN THE ENGLISH LANGUAGE
Wild Tales, Damián Szifron
DOCUMENTARY
Amy, Asif Kapadia, James Gay-Rees
ANIMATED FILM
Inside Out, Pete Docter
OUTSTANDING BRITISH FILM
Brooklyn, John Crowley, Finola Dwyer, Amanda Posey, Nick Hornby
OUTSTANDING DEBUT BY A BRITISH WRITER, DIRECTOR OR PRODUCER
Naji Abu Nowar (Writer/Director), Rupert Lloyd (Producer), Theeb
BRITISH SHORT ANIMATION
Edmond, Nina Gantz, Emilie Jouffroy
BRITISH SHORT FILM
Operator, Caroline Bartleet, Rebecca Morgan
THE EE RISING STAR AWARD
John Boyega