It's Party Time

Switching into a Bradley Bayou for Halston tux to party hop, Queen Latifah gave U2's Bono, who also went home empty-handed, a shoulder to lean on at the Vanity Fair event.

Kirsten Dunst cuddled with her boyfriend Jake Gyllenhaal at the Vanity Fair bash.

Ben Affleck and Jennifer Lopez nuzzled all night in a cozy corner at the Vanity Fair bash, only parting when she briefly hit the dance floor.

Eva Amurri stuck close to mom Susan Sarandon (in Donna Karan) and Tim Robbins at the Vanity Fair function.

Kate Hudson tore herself from hubby Chris Robinson to chat with Sheryl Crow.

Jennifer Love Hewitt took a licking to a Vanity Fair lollipop.

Farrah Fawcett arrived and left with former beau Ryan O'Neal at the Vanity Fair party, who loudly cheered on daughter Tatum when she appeared on the Oscar broadcast. "They're great friends," says Fawcett's rep.

At one point Peter O'Toole (with son Lorcan and daughter Kate, at the Vanity Fair fete) stuck out his tongue, which was red from the wine he'd had.

Richard Gere (in Armani) and Carey Lowell (in Valentino) beat the party rush with a 10 p.m. entrance to the INSTYLE/AOL/Elton John AIDS Foundation fund-raiser.

Elton John and Anastacia (left, watching the ceremony on TV with Mandy Moore) later joined John Mayer onstage for a rendition of Elton's hit "Bitch Is Back."

Nicolas Cage (in Versace), who went stag for the night, checked in with Ed Harris (in Armani) at Elton's bash.

Angela Bassett (right, with Rachel Griffiths) wore Cantu amp Castillo Couture to the Elton John party.

Among the guests: Presenter Matthew McConaughey and girlfriend Michelle Smith showed up for Miramax's party after hitting the INSTYLE bash.

Salma Hayek (right) mingled with fellow Frida-ites Beatrice De Alba, Elliot Goldenthal and Julie Taymor and noshed on pizza until 1:35 a.m at the Miramax party.

Had she gone into labor on Oscar night, said Catherine Zeta-Jones, in a pregnant moment with producer Martin Richards at the Miramax fling, "I would have watched from the hospital."

Producer Arthur Cohn cheeked out Meryl Streep, who brought along her youngest daughter, Louisa, to the Vanity Fair party.