Last night, Heidi Klum and Lindsay Lohan attended the amfAR gala at Cipriani, Gilt Group founders Alexis Maybank and Alexandra Wilkis were honored at the Fashion 2.0 awards ceremony, Abbey Lee gave a special performance at the Electric Room, Minka Kelly and Christie Brinkley were among the many stars that unveiled the Heart Truth's collection of red dresses, and so much more. Last night's parties were all about kicking off Fashion Week!

[Sarah Jessica Parker at amfAR Gala, Photo via] More»

Topher Grace, Sunny Mabrey, Abigail Spencer and others celebrate 160 years of Bally's Swiss Heritage (and benefit a worthy children's cause at the same time); Jennifer Love Hewitt, Melissa Joan Hart and a full complement of Bravo stars including a special selection of both Kardashians and Real Housewives strap on their ice skates for a Disney On Ice skating party at LA Live; Common takes the stage at a progressive design showroom; and Samantha Ronson DJ's Rachel Zoe's holiday party—for all the details, check out this especially design-oriented edition of Last Night's Parties. More»

Lady Gaga, LL Cool J, and Katy Perry celebrate the nominees of the 2012 Grammys with a concert and after party; Amy Smart and Patti Stanger step out for the launch of a new jewelry collection at private cocktail party in Beverly Hills; Robert Downey Jr., Helen Mirren, Warren Beatty, Ben Stiller and others attend the 2011 BAFTA L.A. Britannia Awards—Miami is popping off with Art Basel, but there was still plenty of action in L.A. on Wednesday, so get all the details in this edition of Last Night's Parties.

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Olivia Wilde, Sandra Bullock, and Ryan Reynolds congregate in Westwood for an overdose of beautiful people at The Change-Up premiere and after party; Elle MacPherson, Nick Lachey, Sara Bareilles, Christina Applegate and a smattering of other stars kick off the NBC Press Tour with a party at the SLS Hotel in Beverly Hills—get all the details you need to know on Monday's hottest star-studded events in today's edition of Last Night's Parties. [Leslie Mann, Olivia Wilde, Jason Bateman, Ryan Reynolds photo via] More»

Across the river, more potential love matches were being brokered between women and houses at the launch party for an exclusive New Jersey home matchmaking service. More»

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Millionaires and singles got together for a mixer at Hudson Terrace to view Patti Stanger's latest episode. Several past contestants were there living it up, flirting with the wrong kind of people, and paying no heed to any sort of two drink minimum. While most of them didn't find love on the show, they seem to have made some lasting friendships with each other. Take a look! More»