Jon Hamm and January Jones attend the much awaited premiere of Mad Men's 5th season at the Arclight; New York comes to L.A. as Kate Spade throws a party for Brad Goreski's new book; Charlize Theron and Katie Holmes celebrate their awesome stylists at Soho House and more! It was another action-packed Wednesday here and we have all the details on the events that went down in Los Angeles and the notables who attended in this installment of Last Night's Parties! More»

Amber Heard, Diana Agron and Raquel Welch join Vanity Fair and Montblanc at the Hotel Bel-Air; Harvey Weinstein, Jessica Chastain and James Cromwell celebrate the 40th anniversary of Charlie Chaplain's honorary Oscar; Kate Beckinsale, Chloe Moretz and Rooney Mara attend the Costume Designers Guild Awards; and Amanda Seyfried, Jennifer Carpenter and Richard Greico (!) walk the red carpet in Hollywood for the L.A. premiere of "Gone"; Pharrell hosts a dinner party with Bevy Smith, Terry Richardson, Usher, and Charlize Theron: check out all the details of what went down on "Fat" Tuesday in Last Night's Parties!

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As an elite, highly-trained fighting force, the Navy SEALs have made covert landings in some of the most dangerous and hostile environments on the planet. And as anyone who's ever dodged sniper fire on Sunset or watched two chicks beat the shit out of Spongebob can attest, Hollywood is a dangerous, hostile place, and advanced military training certainly couldn't hurt. Which is why it was strangely appropriate that Relativity Media celebrated the Act Of Valor premiere last night with real Navy SEALs parachuting onto Hollywood Boulevard in front of the Arclight. More»

Happy 125th Birthday, Hollywood! It's hard to believe that a century-and-a-quarter ago, a real estate mogul from Kansas named Harvey Wilcox registered the area with the County recorder, envisioning "the perfect site for a utopian-like community for devout Christians, where they could live a a highly moral life free of vices such as alcohol." Well, Harvey, the tranny hooker practicing her pole dancing on the bus stop sign at Santa Monica & Highland seems to indicate that it may not exactly have worked out as planned, but Hollywood is still alive and (mostly) thriving, so kudos! In honor of Mr. Wilcox, here are some of our favorite things in the 90028: More»

via la.guestofaguest.com: As we learned last week, the red carpet for premieres can be a dangerous place for celebrities to either make some highly regrettable fashion choices or look the part as Hollywood movie stars (even if they're not quite there yet).? Last night, the Arclight rolled out the red carpet for the Hollywood premiere of Our Idiot Brother and there were plenty on both ends of the style spectrum, from tragic to Gwyneth-status. From Paul Rudd and Elizabeth Banksto Olivia Munn and Aubrey Plaza, let's take a look at last night's fashion hits and misses. MORE>>

via la.guestofaguest: Red carpet for premieres can be a dangerous place for celebrities to either make some regrettable fashion choices or look the part as Hollywood movie stars. Last night, the Arclight rolled out the red carpet for the Hollywood premiere of Our Idiot Brother and there were plenty on both ends of the style spectrum. Take a look! MORE>>>

[Zooey Deschanel, Rashida Jones, Elizabeth Banks photo via] As we learned last week, the red carpet for premieres can be a dangerous place for celebrities to either make some highly regrettable fashion choices or look the part as Hollywood movie stars (even if they're not quite there yet). Fake it 'til you make it, ya'know? Last night, the Arclight rolled out the red carpet for the Hollywood premiere of Our Idiot Brother and there were plenty on both ends of the style spectrum, from tragic to Gwyneth-status. From Paul Rudd and Elizabeth Banks to Olivia Munn and Aubrey Plaza, let's take a look at last night's fashion hits and misses.