Last Night's Look: Hit or Miss?

Check out the head-turning outfits Jennifer Lopez, Rachel McAdams and more stars were just spotted in! Then decide – fabulous or fashion faux pas?

RACHEL BILSON

The Hart of Dixie actress glimmers in an ethereal beaded party dress and shiny pumps – finished with a messy updo – at the Art of Elysium gala in Los Angeles on Saturday.