Kate Upton, Ian Somerhalder And More Of Hot Hollywood Show Up For 'GQ''s Super Bowl Bash

A lot of celebrities had double duty on Saturday night as there were a number of Super Bowl parties happening in New Orleans, most notably the GQ Super Bowl Party with Lil Wayne performing and the DIRECTV Celebrity Beach Bowl, where Justin Timberlake brought Jay-Z onstage. The celebs at the earlier party were pretty casual, but they cleaned up quite nicely for the evening to-do. Except Josh Hutcherson and Chace Crawford, who showed up in denim and a baseball cap and a lot of facial scruff, respectively. They should have taken style cues from Ryan Kwanten and Matt Bomer who both nailed it in sharp suits.

Of course, our eyes were trained on one very gorgeous Ian Somerhalder who turned out in a simple black shirt and jeans. Simple ... but perfect, as always. The two ladies in attendance also did quite nicely. Kate Upton slicked on some red lipstick, twisted her hair up in a messy updo and slid into some skinny black pants, a leather bomber jacket and a pair of dark cherry-pointed pumps. Can't really go wrong with that, right? Hayden Panettiere also took on a three-piece combination but topped hers with a white blazer and beautifully ironed shiny hair. The piece de resistance was her neon orange pumps. It takes a lot to upstage Kate, but we think Hayden managed it. Have a look at our gallery below to see full-length pictures of everyone in attendance.

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[Photos: Getty Images]