1 of 11
OH, HAPPY DAY!
She joked "awards mean nothing to me anymore" during her acceptance speech, but a "really happy" Meryl Streep continues celebrating her best actress win Sunday with Doubt costars Amy Adams and Viola Davis at the official SAG afterparty, sponsored by PEOPLE and the Entertainment Industry Foundation, held at the Shrine Auditorium.
2 of 11
LIFE OF THE PARTY
SAG presenter Claire Danes and boyfriend Hugh Dancy (not pictured) know where the party's at! They join Streep, Adams and the rest of the Doubt cast for a celebratory toast. "It's just so well-deserved and she's just a fantastic lady," Adams told PEOPLE of Streep's win, saying it was the highlight of her night. Later, the group hit the dance floor to the tune of "Gimme Some Lovin.'"
3 of 11
WIN, LOSE, PARTY!
Laura Linney (a winner for her work in John Adams) and Anne Hathaway (nominated for her role in Rachel Getting Married) share a hug while enjoying the night's festivities at the SAG Gala.
4 of 11
Tina, meet your idol! Fey, who won best actress in a comedy series for 30 Rock, mugs with fellow funny nominee Tracey Ullman – whom Fey paid homage to during her acceptance speech.
5 of 11
MEET AND GREET
When Ugly Betty star America Ferrera wasn't hanging out with her new BFF, Samantha Who? star Christina Applegate, she made the party rounds, stopping to say hello to her fellow SAG nominee, Milk's Josh Brolin.
6 of 11
HE'S WITH THE BAND?
Ari Gold channels his inner rock god! Entourage star Jeremy Piven drums up some music with the group Rock 'n' Roll Fantasy Camp, which brought together musicians from Guns N' Roses to The Monkees to perform at the Shrine Auditorium bash.
7 of 11
SHAKE ON IT
Best supporting actress nominee Viola Davis extends a hand to Claire Danes over drinks at the afterparty. Of her yellow David Meister dress, Davis told PEOPLE she picked it because "I liked the contrast against my dark skin ... I wanted to make a bold statement. They usually break me down in films. People think that I'm about sixty years old."
8 of 11
Mickey Rourke may not have won for his role in The Wrestler, but he's got nothing but love for Tracy Morgan, who picked up an Actor as part of 30 Rock's ensemble win. And of Sean Penn, who took home the best actor award for Milk, Rourke told PEOPLE: "Sean is someone I look up to and love like a brother ... I'm genuinely so happy for him. I can honestly say I'm glad it was him [to win tonight]."
9 of 11
Mad Men star January Jones holds onto her Actor (her show won for best ensemble cast in a drama) at the party and planned to "have some food, some champagne and celebrate Mad Men-style," she told PEOPLE. "We always drink and smoke and we always have the best parties!"
10 of 11
Milk star Diego Luna shares something special on his phone with a best supporting actress nominee, Vicky Cristina Barcelona's Penélope Cruz. Could it be a photo of his newborn son, Jeronimo Luna? "There's just one reason to be here," Diego told PEOPLE, "and it's to be a great father and make someone happy."
11 of 11
Another awards show, another win for Slumdog Millionaire! The film's stars (from left to right) Anil Kapoor, Irrfan Khan, Freida Pinto and director Danny Boyle, celebrate their win for outstanding performance by a cast in a motion picture.