Mathew McConaughey beat Leonardo di Caprio and Chiwetel Ejiofor to win 'Best Actor in a Leading role' award at the Oscars + full list of winner.

First-time nominee Matthew McConaughey won the Oscar for Best Actor for his performance as Ron Woodroof in Dallas Buyers Club, the role for which he lost a great amount of weight to play a man who battled AIDS for seven years after being told he had only 30 days to live. McConaughey beat out fellow nominees Christian Bale, Bruce Dern, Leonardo DiCaprio, and Chiwetel Ejiofor. 

See full list of winners below: 

BEST PICTURE: 
12 Years a Slave - WINNER 
BEST ACTOR IN A LEADING ROLE: 
Matthew McConaughey - Dallas Buyers Club - WINNER 
BEST ACTRESS IN A LEADING ROLE: 
Cate Blanchett - Blue Jasmine - WINNER 
BEST SUPPORTING ACTOR: 
Jared Leto - Dallas Buyers Club - WINNER 
BEST SUPPORTING ACTRESS: 
Lupita Nyong'o - 12 Years a Slave - WINNER 
BEST DIRECTOR: 
Alfonso Cuaron - Gravity - WINNER 
BEST COSTUME DESIGN 
The Great Gatsby - WINNER 
BEST MAKE-UP & HAIRSTYLING: 
Dallas Buyers Club - WINNER 
BEST SHORT FILM (ANIMATED): 
Mr Hublot - WINNER 
BEST ANIMATED FEATURE FILM: 
Frozen - WINNER 
BEST SHORT FILM (LIVE ACTION): 
Helium - WINNER 
BEST DOCUMENTARY SHORT SUBJECT: 
The Lady in Number 6: Music Saved My Life - WINNER 
BEST DOCUMENTARY FEATURE: 
20 Feet from Stardom - WINNER 
BEST FOREIGN LANGUAGE FILM: 
The Great Beauty (Italy) - WINNER 
BEST SOUND MIXING: 
Gravity - WINNER 
BEST SOUND EDITING: 
Gravity - WINNER 
BEST VISUAL EFFECTS: 
Gravity - WINNER 
BEST CINEMATOGRAPHY 
Gravity - WINNER 
BEST FILM EDITING: 
Gravity - WINNER 
BEST PRODUCTION DESIGN: 
The Great Gatsby - WINNER 
BEST ORIGINAL SCORE: 
Gravity - WINNER 
BEST ORIGINAL SONG: 
Let It Go - Frozen - WINNER 
BEST ADAPTED SCREENPLAY: 
John Ridley - 12 Years a Slave - WINNER 
BEST ORIGINAL SCREENPLAY: 
Spike Jonze - Her - WINNER