[Perez Hilton flashes the pink carpet. Photos via Getty]

Celeb gossip blogger, Perez Hilton celebrated his 31st Birthday this Saturday at the legendary Viper Room on Sunset Blvd with the real Paris Hilton along with Christina Aguilera (surprise performer), the Jonas Brothers (who brought out his cake), and guests including Amanda Bynes, Ashley Tisdale, Aubrey O'Day, Brittany Snow, Brittney Gastineau, Christina Aguilera, (more story and photos below)... Cisco Adler, Dean and Dan Caten, Diane Warren, Doug Reinhardt, Dr. Luke, Emmy Rossum, Ferras, Heidi Montag, Jamie King, Jeppe, Jessica Stroup, Jonas Brothers, Kim Kardashian, Lacey Schwimmer, Meghan McCain, Meiko, Paris Hilton, Pia Glenn, Robin Antin, Ross Mathews, Salman Rushdie, Schwayze, Spencer Pratt, Steve-O and Tara Reid.

Meghan McCain was there?!