John Travolta introduced the performance with a touching nod to his late Grease co-star Olivia Newton-John
The smash indie multiverse hit picked up seven prizes, including the Academy's top honor
Filmmakers Kartiki Gonsalves and Guneet Monga accepted the Academy Award in Los Angeles earlier today
The full rundown of who won what on Film’s Biggest Night
Singer belted the moving ballad while backed by a full orchestra
