Met Gala worst dressed: Kate Upton, Rita Ora lead the way

Rita Ora attends The Metropolitan Museum of Art's Costume Institute benefit gala celebrating "Charles James: Beyond Fashion". (AP)

(AP)

(REUTERS)

Pic: Getty

Model Kate Upton arrives at the Metropolitan Museum of Art Costume Institute Gala Benefit celebrating the opening of "Charles James: Beyond Fashion" in Upper Manhattan, New York. (REUTERS)

Kate Upton (REUTERS)

Kate Upton (Photo by Getty Images)

Kristen Stewart (AP)

Maggie Gyllenhaal (AP)

Zoe Saldana (AP)

Mary-Kate Olsen and Ashley Olsen (AP)

Rosamund Pike (REUTERS)

Solange Knowles (REUTERS)

Kirsten Dunst (Photo by Getty Images)

Katie Holmes (REUTERS)