Emma Stone knows her way around the Dolby Theatre, but the even the two-time Oscar winner needs a little rehearsing before the big show. This year she’s not a nominee but a presenter, though which category she’ll be announcing is under wraps until it’s broadcast live around the world on Sunday.

Emma Stone, a two-time Oscar winner, will return to the Dolby Theatre as a presenter at this year's Academy Awards. While she won't be competing, her category remains a surprise until the live broadcast on Sunday.