Even though Hollywood's A-List was deprived of a chance to eat and drink on Vanity Fair's dime last night, two fiestas proved that celebrities will not let a little thing like tradition get in the way of a night of free booze and swag. Elton John's Annual AIDS Foundation Oscar Party usually has a strong turnout of power players, but the star wattage at the 16th incarnation of the bash last night was a few standard deviations past the norm, thanks mainly to the absence of Graydon Carter's soiree. Highlights included Tilda Swinton kissing her Oscar in some sort of Buddhist mating ritual, as well as the public debut of Hollywood's newest power couple, Sean Penn and Petra Nemcova. We've got pictures after the jump.

Elton John 16th Annual AIDS Foundation Oscar Party:

Elton John coddled Best Actress winner Marion Cotillard, while model Petra Nemcova and Sean Penn canoodled all night as the newest couple in Hollywood making their big debut on Oscar night.

Harrison Ford (victim of perhaps Jon Stewart's worst joke of the evening) arrived with the (finally) well-dressed Calista Flockhart; Courtney Love managed to clean up her act; Seal turned the cameras on the cameramen.

Kate Beckinsale proved having kids does not a schlumpy mom make; Portia de Rossi and Ellen DeGeneres continued their Lesbians Are Cool, Just Deal With It Tour; Jeremy Piven took a break from his yoga pursuits to swing by The Rocket Man's shindig.

Other guests included:
Simon Cowell, Sharon Stone, Diddy, Minnie Driver, Heidi Klum, JC Chasez, Chace Crawford, Len Wiseman, Al Roker, Billy Joel, Chris Noth, Chris O'Donnell, Christian Slater, Faye Dunaway, Tara Reid and Zoe Saldana.

[Photo Credit: Getty Images and Wire Image]