CELEBRITY
01/29/2012 03:56 pm ET | Updated Jan 30, 2012

Weekend Roundup: Katy Perry In Vegas, Lopez Gets Cozy, Heidi's Wearing Her Ring

From Katy Perry's first public outing in Las Vegas to Jennifer Aniston's show-stopping LBD at the Directors Guild of America Awards, it's been a star-studded weekend.

Check out photos from this weekend below:

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