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OK! Quick Pics: Allison Williams Making Muscle, Kristin Cavallari in Peplum, and More!

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Doing pull-ups on your own deserves some kind of exercise award. The gym class move is no easy task, but Girls star Allison Williams made ’em look like a piece of cake. Want to know her secret? If you glance down at our OK! Quick Pics gallery, you’ll see that she had a tiny bit of help.

So what were a few of the other celebs up to today?

Gisele got to modeling in an H&M shoot, and Kristin Cavallari rocked out a cobalt blue peplum top.

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