Rihanna in Guo Pei
This corseted number ruffled our feathers two years ago.
Kate Upton in Dolce & Gabbana. So two people are to blame!
This rosy-hued piece brought plenty of va-va-voom to the 2014 Met Gala red carpet.
Blake Lively in Gucci
We all make mistakes sometimes. The wearer of this flapper-inspired dress is usually so on point.
Lupita Nyong'o in Prada
Who slipped into this delicately embellished punky piece in 2013?
Emmy Rossum in Donna Karan Atelier
This lacy, all-white number gave us major angel vibes on the 2013 Met Gala red carpet.
Rooney Mara in Givenchy
This structured floral number was reserved for the classiest (and most particular) of taste makers.
Anna Wintour in Chanel
NEXT GALLERY: 2015 Met Gala Best Dressed