Joined at the Halloween weekend Soiree with boyfriend Corey Bohan, the former "Hills" hottie a sexy little black, white and red ensemble, while visiting the exhibition deejay, meanwhile, with her husband on the dance floor.
Tweeting to her many fans and supporters in front of the concert, Miss Patridge wrote, "Vegas time. Who is going to the bank this evening at the Bellagio? Excited to see everyone's costume".
Also wishes everyone well during holiday filled with fun, Audrina previously tweeted, "Ill put pictures up on my home Monday from NYC and this weekend: I hope everyone has a safe and happy halloween xoxo".
