Tom Hardy, Michelle Trachtenberg and Penn Badgley: Celeb Snaps! Hottest Star Sightings Of the Day (PHOTOS)

As The Dark Knight Rises descended upon New York City, Hollywood’s hottest flocked to the theaters.

Tom Hardy — with fiance Charlotte Riley on his arm — suited up for the premiere. Some of the Gossip Girl gang stepped out for the much-anticipated flick, with Michelle Trachtenberg going glam for the evening, while hipster hunk Penn Badgley dressed down.

From Australian acoustic concerts, to Manhattan filming, to political summits, stars got down to business this Tuesday.

Who was working to the bone?

Justin Bieber posed for screaming (likely female) fans ahead of his exclusive acoustic concert at Fox Studios in Sydney, Australia.

Blake Lively was back in the states, continuing to film the farewell season of Gossip Girl in Manhattan. Alicia Keys took a break from her career to push politics at Women Vote 2012 Summit in Philadelphia.

Out in SoCal, Halle Berry was hard at work on set of her latest flick, The Hive, while Zach Galifianakis and Will Ferrell made the promo rounds for the launch of The Campaign.

Celebuzz has captured all these Tuesday happenings in our daily Celeb Snaps.

What was the best snap of the day? Sound off in the comments.

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Tags: Celeb Snaps