PHOTOS: Holly Madison: Sin City Sweetie

Former Girl Next Door Holly Madison and her two best friends showed up for last night's opening of Rhumbar at The Mirage Hotel and Casino in Las Vegas.

The blonde beauty is currently in Sin City to star in the risque stage review, Peepshow. Holly took over the starring role from Melanie "Scary Spice" Brown and she'll soon be handing over the reins to Aubrey O'Day.

MORE PICS OF HOLLY IN THE GALLERY!