It's hard enough to get out of the house for a night on the town, but Hollywood moms (especially Oscar-nominated ones) have an even bigger challenge — they need to look flawless on the red carpet. Tonight, some of Tinseltown's most beautiful mothers strutted their stuff, and not a single one looked harried. Meryl Streep was a vision in white, Maggie Gyllenhaal was lithe and lovely, and Sandra Bullock was a shimmering stunner. Which woman do you think stole the show?

To see more pics of the gorgeous moms,