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After the Golden Globes: See All the Star-Studded Parties!

Zosia Mamet, Lena Dunham and Allison Williams

Zosia Mamet (in Tony Ward), Lena Dunham (in Zac Posen) and Allison Williams (in Tony Ward) were the belles of the HBO ball, getting accolades all around. "Daniel Day-Lewis came up to all of us when we were standing together which was a big mistake because we're very loud when we're all in one place," said Williams. "And he said, 'Great job, girls' and we just started squealing."