What? Having a 60s throwback moment in a Peter Pilotto dress that looked like it was high on LSD. The laser-cut mini, with its peplum detail, almost-indecently short hemline, and psychedelic print is definitely an opinion-divider. We think she manages to pull it off (just), but it was a close one there for a while.
On the plus side, the actress picked up the award for favourite Dramatic Movie Actress for her role in the Perks Of Being A Wallflower.
Where? The 2013 People's Choice Awards, the Nokia Theatre, LA, 9 January.
Verdict? Kudos to Emma for trying something different; and as the People's Choice Awards is slated as the "younger, funkier" version of the Golden Globes, she nailed the tone of the event.
See all the red carpet pics from the bash: