Jon Hamm, Matt Stone, Trey Parker and Eli Roth rock out to a surprise Duran Duran performance at the "South Park" 15 Year Anniversary; Dim Mak takes over Dim Mak Studios and Paul & Andre for the label's 15th birthday with DJ sets by Steve Aoki and slew of others; Kate Bosworth, Julia Clancey and more toast Christopher Bollen's first novel with Interview Magazine at Soho House—there was much to celebrate around L.A. on Tuesday, let's go through the details in this edition of Last Night's Parties. More»

[Michael Fredo takes Ally Hilfiger for a dance dip]

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If you've ever longed for a jazzy, classy old-school dance experience while bobbing your head to techno, you now have your chance every Wednesday at The Plaza's Rose Club. This "center of NYC" location is where singer Michael Fredo, nephew of Tommy Hilfiger, entertains guests with jazz music, dancing and cocktails starting at 8:30pm. And this past Wednesday we saw just how diverse a group Jazz at the Plaza could really bring out... More»