Jonas Brothers Double Date: Nick and Joe Jonas Take Girlfriends Olivia Culpo, Blanda Eggenschwiler to U.S. Open

Joe Jonas, Blanda Eggenschwiler and Nick Jonas, Olivia Culpo
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 on September 3, 2013: Pictured here: Joe Jonas, Blanda Eggenschwiler, Nick Jonas, Olivia Culpo. David Lobel/

Double the Jonas, double the fun! Nick and Joe Jonas did some extra brotherly bonding on Tuesday, Sept. 3, when the brothers went on a double date with their stunning girlfriends to the U.S. Open in New York City's Flushing, Queens.

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The two couples sat next to one another for the matches, with a certain Jonas stealing a smooch from his gal mid-game. Nick wasn't shy to kiss his new girlfriend, Olivia Culpo, as older brother Joe continued to concentrate on the games alongside girlfriend Blanda Eggenschwiler.

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Though Joe, 24, declined to show any PDA with the Swiss-born model and graphic artist, 28, the two denied much more than just a kiss five months prior. Back in March, rumors swirled that the couple had made a sex tape together. "There is no truth or validity to the story," a rep for the singer later told Us Weekly. "It is completely false."

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As for Nick, 20, his romance with Miss Universe is just beginning. Shortly after it was rumored that the two were a new item in early August, the "Pom Poms" singer joined Culpo, 21, for a weekend getaway to meet her family in Rhode Island later that month.

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