Ashton Kutcher showed face at the GQ's Gentleman's Ball, Zoe Kravitz hosted a night for charity at Reformation, Justin Timberlake partied at Southern Hospitality, Electric Youth and College performed at 3x1, Theophilus London took the stage at Terminal 5 and DJ'ed Le Bain and so much more.  Last night's parties were all about music!

[Photo via BFA]

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The Guest List

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Cipriani• John Varvatos• Theophilus London• Elton John• Steve Nash• Cornelia Guest• Sandra Lee• Alina Cho• Ashton Kutcher• anderson cooper• Elton John AIDS Foundation• Matt Kliegman• Carlos Quirarte• Scott Morrison• Brad Goreski• Smokey Robinson• Kyle MacLachlan• Sarah Ferguson• David Furnish• Sky Ferreira• Ralph Pucci• Jason Sudeikis• Carmelo Anthony• Frances Robinson• The GQ Gentlemen's Ball 2011• Zoe Kravitz Hosts• Untitled• 2011: Artist T-Shirts to Benefit GrowNYC at Reformation• 3x1 College• Historic Districts Council 2011 Landmarks Lion Award• Theophilus London At Terminal 5• Canon 'Legends In Imaging' Event With Herbie Hancock• Miguel Hertado• Peter Astrom• Paul Mathieu• Paul Solberg• Katarina Graham• electric youth