September 3, 2013: Joe And Nick Jonas are seen at the 2013 U.S. Open Tennis Championships at the USTA Billie Jean King National Tennis Center in Flushing, Queens, New York, today. The Brothers were seen cuddling up to their girlfriends while watching a tennis match. Pictured here: Joe Jonas, Blanda Eggenschwiler, Nick Jonas, Olivia Culpo..Mandatory Credit: David Lobel/INFphoto.com Ref.: infusny-126