Fashion Police: Worst Dressed of the Week—Dianna Agron, Rose Byrne or Carrie Underwood?

So many badly dressed babes filed through F.P. HQ this week. Which celeb was the biggest fashion offender?

Poll

The Worst Dressed Sept. 23 Poll

This week's worst-of picks are all drab and droopy but which one really needs to be put out of its misery? Vote now!

Dianna Agron, in Madewell

Dianna Agron, in Madewell

24.7%

Rose Byrne, in Christine Alcalay

Rose Byrne, in Christine Alcalay

57.4%

Carrie Underwood, in unknown designer

Carrie Underwood, in unknown designer

17.9%

Vote Now

PHOTOS: Fashion Police