GQ Men of the Year Awards, in a punk-princess tartan prom dress.
Rock chick: Emma Watson at the GQ Men of the Year Awards last night. Photos:PA
The 21-year-old teamed her flared frock - which was from McQueen's younger diffusion line, McQ - with a black leather jacket and sparkling pointed courts.
The Harry Potter actress was one of the many stars to grace the Royal Opera House in London last night for the annual awards.
What do you think of Miss Watson's rock-chick makeover? Vote below.