Paris Hilton and new BF Benji Madden of Good Charlotte turned up in Sin City to celebrate Benji’s 29th birthday, and the new twosome stopped by a production of “Love” at the Mirage Hotel. Is it love?

After taking in a show and posing with the cast, they headed over to club LAX, where a busty Paris blew out the candles with her tattooed rocker honey.

Click on an image to view the BENJI AND PARIS IN VEGAS photo gallery!