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»

These are exciting times for fans of Jon Hamm. As you may already know, there are only so many times per year that he can be released from the hyperbaric chamber that keeps him operating at peak masculinity. Often, you'll catch a peripheral glimpse of straight teeth and immaculately coiffed hair and get all excited, only to turn and realize that it's just Mitt Romney. Now you know how disappointed Republicans feel, all the time! But fortunately with an upcoming new season of "Mad Men," we're experiencing a thrilling run of actual Jon Hamm sightings, like when he stepped out last night with the whole cast for the Season 5 premiere at the ArcLight. More»

• Odd Future's Tyler the Creator pays the Roxy $8,000 to cover the damage he caused when he decided to destroy a bunch of sound equipment in one of his routine maniacal rages during a December 22nd performance at the venue. [TMZ]
• Personal car sharing service RelayRides which allows car owners to rent out their wheels by the hour to other licensed drivers at a starting price of $5/hour opens in L.A. today. [LATimes]

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Whether you were dancing to electronic music with GLOW, dancing under rainbow lights at the W, searching for a midnight kiss in a sea of 7,000 at the Gaylord, or watching the ball drop in NYC from your couch, this New Year's Eve was certainly one for the record books! Get yourself caught up with everything you don't remember, and everything you wish you did, with our ode to the best soirees in DC that rang in 2012. It could be the end of the world as we know it.

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Sometimes an actor takes on a role or acting style so iconic that it becomes hard to separate him or her from the character. Sometimes, this works out, like when Nic Cage turns out to be an absolute lunatic in real life, but in the case of John Slattery from "Mad Men," assuming that his off-camera persona is also an overindulgent, silver-spoon dilettante with no taste for counter-culture might be a little presumptuous, especially after Emily caught him hanging in Silver Lake last night. Could the real John Slattery be– gasp– a hipster!?

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Hailee Steinfeld, Sarah Hyland Chord Overstreet and other young stars party with Teen Vogue at the New York City lot at Paramount Studios; Olivia Wilde, Demi Moore, Annette Bening and several other powerful figures in Hollywood do lunch in Beverly Hills; Aaron Paul, Cindy Crawford, Vanessa Hudgens and more hit the world premiere of the new Cirque Du Soleil show; Jon Hamm, Christina Hendricks and the rest of the "Mad Men" cast host a brunch for The Rape Treatment Center; More»

• John Travolta's 1970 Mercedes-Benz gets jacked in daylight from parking spot on the street in Santa Monica while he was inside a Jaguar dealership for roughly 10 minutes. [TMZ]
• At least 40 dead after a magnitude 6.8 earthquakes strikes northeastern India, Nepal and Tibet, followed by rain, landslides and severed communications compromising rescue efforts. [LATimes]

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