Fred Armisen

Anne Hathaway joined a variety of current and former Saturday Night Live stars for the American Museum of Natural History's 2010 Gala on Thursday evening. Kristen Wiig, Bill Hader, Abby Elliott and more had the evening off from prepping for the weekend's new episode, which Anne hosted. Anne made a rare public appearance with boyfriend Adam Shulman on her arm, while Tina Fey also enjoyed a date night with her husband, Jeff Richmond. Lately, Anne has been inseparable from her Love and Other Drugs co-star Jake Gyllenhaal, who hit the town instead with Natalie Portman for a charity party.

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The stars gathered in Washington DC on Saturday night for a White House function, where Jay Leno served as the evening's entertainment. Jessica Simpson hit the red carpet in a bright yellow dress, while Scarlett Johansson arrived from LA with her politically active twin brother, Hunter. Jessica Alba wrapped up her duties as a Tribeca Film Festival juror to go with her husband Cash Warren and Kim Kardashian wore her mother's vintage Valentino gown after deciding to put her hair up in a bun. After the dinner were the post-parties, with the Bloomberg/Vanity Fair bash at the French Ambassador's residence bringing out celebs like Anna Kendrick and Glee's Matthew Morrison. Joe Simpson left Jessica's side to mingle with Jeremy Renner, who was linked to Jess just a few months ago. Jessica expressed her love for Michelle Obama but didn't have much to say about her current romantic status, commenting, "I have some situations that I am feeling out." She moved on to an event sponsored by People where she joined Gabourey Sidibe. Sex and the City 2's Kristin Davis and Cynthia Nixon, meanwhile, posed together, while Justin Bieber caught up with "his girlfriend" Kim. Jessica managed to avoid a run-in with her ex, footballer Tony Romo, who got a head start on the good times Friday night at an event with his girlfriend Candice Crawford and her famous brother, Chace.

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Sarah Jessica Parker stepped out in black for the NYC premiere of Did You Hear About The Morgans? last night. SJP looked gorgeous in bright pink with costar Hugh Grant at the London screening last week, and this time she had some girls to pose with too- fellow members of the Sex and the City fab foursome Kim Cattrall and Cynthia Nixon joined in the fun. On the red carpet, SJP had nothing but kind things to say about Miley Cyrus who she joked is surprisingly tall "like a Viking" and is making a cameo in the anticipated sequel. Most of you weren't loving the first SATC2 tease poster, but it's still a thrill to see the ladies together on the red carpet. Sarah has this movie to support before it's out on Boxing Day and a few more months until SATC2 mania sets in ahead of its May release.

To see more of the premiere including Olivia Thirlby, Elisabeth Moss, Fred Armisen, Ted Danson, Mary Steenburgen and others, keep reading