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GOLDEN MOMENT
Best Supporting Actor Javier Bardem hams it up with a friend—and his new hardware—inside the Miramax/Audi party at Bar Marmont.

Governors Ball

SWEEPING ENTRANCE
Presenter Keri Russell (with husband Shane Deary) enjoys a new mom's night out inside the Hollywood & Highland Center's Grand Ballroom. And where was son River, 8 months? "With our babysitter," she said.

PREGNANT PAUSE
Cate Blanchett holds court with Best Director nominee Julian Schnabel. How's her baby-to-be handling all the hoopla? "He's actually asleep, believe it or not," she said.

FAMILY TIES
Viggo Mortensen escorted his niece Sydney. "She washed dishes and took out the trash for months," joked the proud uncle of how she earned the honor.

THE HOST TOASTS
Jon Stewart's favorite moment? Javier Bardem's win. "I love a good acceptance speech in Spanish."

George & Sarah
OSCAR'S IT COUPLE

DYNAMIC DUO
And the award for Best Offscreen Pair goes to George Clooney and Sarah Larson, who rarely left each other's side all night.

Chatting up Best Actress nominee Laura Linney ...

... schmoozing with Javier Bardem ...

... and posing with Once cast members Glen Hansard and Marketa Irglova (holding Oscars) and Fox Filmed Entertainment co-chair Tom Rothman and wife Jessica Harper. Larson and Clooney later headed to the party he hosted at the Sunset Tower Hotel.

DOUBLE TAKE
Presenter Hilary Swank relaxes with her lookalike boyfriend John Campisi.

PRIZE WRITER
Diablo Cody (in Dior by John Galliano) admitted she doesn't know where she'll put her Original Screenplay award. "Thinking about that could've jinxed me," she said. "So I have no idea!"

CUDDLE COUPLE
Sorry, gals, he's taken. Atonement hunk James McAvoy cozies up to his wife of a year, Anne-Marie Duff. They met while filming a British TV series.

PICTURE PERFECT
After working the room with wife Kelly Preston (in Roberto Cavalli), presenter John Travolta got in some play time, making faces as a pal snapped photos.

THE BROTHERS WIN!
Ethan (left) and Joel Coen tote their trophies after a big night.

LADY IN RED
Best Actress nominee Julie Christie wore an orange ribbon to support the American Civil Liberties Union.

Elton John AIDS Foundation

PICK-UP ARTISTS
Ellen DeGeneres and Portia de Rossi gave actor Sean Penn a boost at the annual charity dinner, which raised $5.1 million for AIDS research.

FRENCH BLISS
"I'm overwhelmed with joy," Best Actress winner Marion Cotillard told PEOPLE.

T.R.'S NIGHT OUT
Grey's Anatomy star T.R. Knight stepped out with friend Mark Cornelsen.

GLAMOROUS GROUPIES
"We want to see Elton!" Harrison Ford said as he whisked girlfriend Calista Flockhart into the singer's soiree, cosponsored by Chopard and VH1.

PENN PAL?
Petra Nemcova and Sean Penn arrived together, but "we are friends," says the model. Make that really good friends: At Prince's private bash, the couple were spotted holding hands and kissing on the dance floor.

PUCKER UP
Heidi Klum (who changed into Roberto Cavalli) showed some love for the camera before heading home with husband Seal.

FEELING LUCKY
Sharon Stone accessorized her Dior suit with Damiani jewels and ... a rat's foot? "It's a Scottish wedding good luck piece," she said.

Madonna & Demi Party

MATERIAL GIRLS
Diane von Furstenberg shimmered between Madonna and Demi Moore—who purposely wore the same DVF dress from the fall 2008 line in order to resemble Oscar-like gold statues.

Prince's Afterparty

THE ROYAL TREATMENT
Eva Longoria Parker (in Marchesa) went to listen to Prince jam at his new Beverly Hills home, then chatted with him until nearly 4 a.m.

LADY'S MAN
As Prince rocked, Sean Combs rolled, flirting much of the night with actress Sanaa Lathan (left).

The Miramax/Audi Party

BABYSITTING OSCAR
Penélope Cruz was happy to sit back and hang with beau Javier Bardem's Oscar at Bar Marmont while he leapt around, danced and shouted with joy.

HIP, HIP, OLE!
Bardem and Cruz shared toasts, high-fives and lots of kisses.

HAPPY HOUR
Josh Brolin and Diane Lane cuddled all night. Her only competition? Bardem. Brolin playfully held his No Country for Old Men costar's face in his hands and said, "I love you."

SIBLING REVELRY
Ben Affleck (far right) met up with his brother—and Best Supporting Actor nominee—Casey and wife Summer Phoenix.

"I think I'm still the same person I was 10 years ago, or before I won the Oscar. It still hasn't hit me"
—PRESENTER JENNIFER HUDSON, last year's best supporting actress winner, told MTV