Alberto E. Rodríguez/Getty Images / Kein Mazur/WireImage
The star of The Help marched onto the red carpet of the SAG Awards adorned in a black dress by Alexander McQueen. Meanwhile at the Oscars, the actress stole the show in a red gown from Giambattista Valli. [POLL: Where did she look best? | At the SAG Awards| At the Oscars]