The early winners at the 86th Oscars were
while Disney's 3D animation drama Frozen and Gravity won the Oscar trophies in animation and visual effects categories.
Leto, a strong
, won the first trophy of the night for his role of a transgender AIDS patient in Dallas Buyers Club.
Frozen defeated The Croods, Despicable Me 2, Ernest & Celestine and The Wind Rises to score in the animated category.
Gravity which has maximum nominations with The American Hustle won its first award of the night in the best visual effects category while the best costume design went to The Great Gatsby.
Dallas Buyers Club took home the best make-up and hairstyling trophy.
Best animated short film Oscar went to Mr Hublot while Helium was named best live action short film.
20 Feet from Stardom was named the best documentary feature and best documentary short went to The Lady in Number 6: Music Saved My Life.