Mark Von Holden/WireImage
Bronwyn Barnes
Jun 30, 2011 @ 3:50 pm

In New York City, Kellan Lutz and Jessica Szohr celebrated summer on The High Line during an al fresco bash hosted by the Coach Men’s Collection. Penn Badgley and Charlotte Ronson were also part of the crowd, as party-goers sipped cocktails as they watched the sun set over the Hudson. Click through the gallery to see Leighton Meester, Christina Aguilera, and more stars at last night’s hottest parties! 

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