The Week in Celeb Twitpics (PHOTOS)

Kelly's SAG Style
Kelly O in white at the 2012 SAG Awards.
Last Sunday’s Screen Actors Guild Awards got every A-lister in Hollywood to get dressed up for the event. While we saw plenty of gorgeous gowns (and a few fashion misses) on the red carpet, Twitter-happy celebs filled us in on the rest of the shenanigans that happened backstage. 

Who got to hang out with Brad Pitt? Which SAG nominee brought her sister as her plus one? Flip through the gallery to find out!

If you missed the show, be sure to check out this year’s SAG Award winners below!