Sunday night Lady Gaga celebrated her 25 birthday with a HUGE party. And as you know if the world of celebs if there's a party, there's someone there to crash it. At Gaga's party it just happened to be a very intoxicated Adam Lambert. According to Perez Hilton, Lambert showed up drunk... really really drunk and was just jumping on tables and chairs and even tried to smoosh birthday cake in Gaga's face. She finally had to tell security to get rid of him. Find out all the details on Lamberts party crashing here.
