Frankie DELGADO, Brody JENNER, Audrina PATRIDGE, and JUSTIN Bobby all partied it up in VEGAS too!!

I could have done without seeing Frankie's big ears and fat gut!

Do you think Spencer and Heidi threw a tantrum like a two year old when they found out Stephanie and Brody partied with Lauren?

So Audrina's still lovin the dirty huh!!