The Oscars party doesn't wait for Sunday to start! Last weekend, Julianne Moore and Olivia Munn caught up at the Still Alice and Grey Goose bash, and Matt Bomer and Chris Pine [1] teased everyone with their hot looks at Armani and Cate Blanchett [2]'s event. Over at the Chanel and Charles Finch dinner, Kristen Stewart [3] went all-out glam, and Keira Knightley [4] had that pregnancy glow next to her husband, James Righton.
Earlier last week, Leonardo DiCaprio [5] chatted up Oprah Winfrey [6] at an event for the documentary Virunga, and Nicole Kidman [7] and Chris Evans hit up the Gold Meets Golden bash. Other star-studded fetes have brought together dynamic duos like Kate Hudson [8] and Gladys Knight, Kerry Washington [9] and Alfre Woodard, and Zoe Saldana and Rosario Dawson [10] — and this all happened before the big show [11]!
Fresh from her historic win at the César Awards [12] in Paris, Kristen Stewart [13] made her way over to the Chanel and Charles Finch dinner at Madeo.
Chris Pine [14] left a couple buttons open for the Chanel and Charles Finch dinner at Madeo.
Julianne Moore and Olivia Munn were a gorgeous duo at the Still Alice and Grey Goose party.
Rosie Huntington-Whiteley struck a sexy pose at Chanel and Charles Finch's bash.
Keira Knightley [15]'s baby bump was on display at the Chanel and Charles Finch dinner at Madeo, which she attended with her husband, James Righton.
Hot couple Aaron Rodgers and Olivia Munn turned the Still Alice and Grey Goose party into a date.
Kevin Hart flashed his smile at the Treats! Magazine party.
Kate Flannery raised a toast with Michelle Monaghan at the Women in Film event.
Scott Eastwood sported some scruff at the Treats! Magazine party.
Michelle Rodriguez showed some skin at the Treats! Magazine party.
Zoë Kravitz showed off her stems at the Chanel and Charles Finch dinner at Madeo.
Kate Bosworth [16] was red-hot at the Still Alice and Grey Goose bash.
Lily Allen [17] popped with color at the Chanel and Charles Finch dinner at Madeo.
Jessica Chastain was all smiles at the Chanel and Charles Finch dinner at Madeo.
Riley Keough let her hair down for the Chanel and Charles Finch dinner at Madeo.
January Jones [18] beamed with joy at the Chanel and Charles Finch dinner at Madeo.
Julianne Moore and Bart Freundlich were one of the cute couples at the Chanel and Charles Finch event.
Matt Bomer and Chris Pine [19] made one good-looking duo at the pre-Oscars party hosted by Roberta Armani and Cate Blanchett [20].
The spotlight was on Cate Blanchett [21] at an intimate toast to the Oscars hosted by Cate and Roberta Armani.
Faith Hill [22] and Tim McGraw [23] stepped out for the pre-Oscars bash hosted by Cate Blanchett [24] and Roberta Armani.
Julianne Moore and Bart Freundlich posed for pictures at the Sony Pictures party on Saturday.
Mark Ruffalo [25] and Sunrise Coigney stepped out for the Sony Pictures party on Saturday.
Camilla Belle stunned at the party hosted by Cate Blanchett [26] and Roberta Armani.
Cate Blanchett [27] had some handsome company at her event with Roberta Armani: she posed for a picture with Matt Bomer and Gregg Sulkin.
Jane Fonda and Chelsea Handler [28] wrapped their arms around each other at a party celebrating the documentary Virunga's Oscar nomination.
Chris Evans's handsome beard was on display at Equinox's Gold Meets Golden event.
Meryl Streep [29] signed a Tiffany box at the Women in Film party.
Elle Fanning smiled widely at the Women in Film party.
Matt Bomer suited up for Equinox's Gold Meets Golden party.
Kate Hudson [30] gave Gladys Knight a big hug at the Uptown event.
Nicole Kidman [31] greeted the crowd at Equinox's Gold Meets Golden event.
Jennifer Hudson [32] made a splash on the Tiffany blue carpet at the Women in Film party.
Katie Holmes [33] joined Gina Rodriguez and Chris Evans at Equinox's Gold Meets Golden event.
Rosamund Pike went with a floral dress for the Women in Film bash.
Josh Hutcherson had an animated chat with Modern Family stars Jesse Tyler Ferguson and Sarah Hyland during unite4:humanity's event at the Beverly Hilton hotel.
Queen Latifah [34] and Halle Berry [35] teamed up at unite4:humanity's party.
Kerry Washington [36] dazzled with host Alfre Woodard at her Oscar's Sistahs Soiree at the Beverly Wilshire Hotel.
Pink serenaded the audience at unite4:humanity's party.
Emily Blunt [37] got together with Rooney Mara, who hosted the Vanity Fair and Barneys New York event for OXFAM at the Chateau Marmont.
Over at unite4:humanity's party, Demi Lovato [38] presented Zendaya [39] with the young luminary award, the same trophy Demi took home last year.
Naomi Watts [40], Laura Dern, and Adrien Brody [41] made a fun trio at Bulgari and Save the Children's STOP. THINK. GIVE. event.
Aaron Paul amused wife Lauren Parsekian when the pair took the mic at unite4:humanity's event.
Ashley Greene [42] struck a sexy pose at Bulgari and Save the Children's STOP. THINK. GIVE. event.
Rosario Dawson [43] caught Zoe Saldana's attention at the Oscar's Sistahs Soiree at the Beverly Wilshire Hotel.
Common put on a show for the audience at Global Green USA's annual party at Avalon.
Malin Akerman showed some skin on the red carpet at Bulgari and Save the Children's STOP. THINK. GIVE. event.
Emily Blunt [44] spoke with passion at unite4:humanity's event at the Beverly Hilton hotel.
Elizabeth Olsen and Patricia Arquette went with all-black looks for the Vanity Fair and Barneys New York event for OXFAM at Chateau Marmont.
Kristin Davis lit up with a smile during the Vanity Fair and Barneys New York event for OXFAM at the Chateau Marmont.
Victoria Justice hung out with actor Pierson Fode at Vanity Fair and Fiat's Toast to Young Hollywood event.
Taryn Manning hit the red carpet at Vanity Fair and Fiat's Toast to Young Hollywood event.
Theo Von and Ashley Greene [45] took the stage at Global Green USA's annual party at Avalon.
Emily Blunt [46] stunned on unite4:humanity's red carpet.
Oprah Winfrey [47] and Leonardo DiCaprio [48] came face-to-face at a party for the Oscar-nominated documentary Virunga.