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Heidi Klum

Marion Curtis/Starpix

Heidi Klum is striking a circus pose.

The supermodel took her four kids last Friday to a performance of Zarkana, the Cirque du Soleil production that's taken up residence at New York City's Radio City Music Hall.

Afterward, the 39-year-old Klum and her brood were given a VIP backstage tour, where she took pictures with the show's colorful acrobatic castmembers.

"Loved the Zarkana by du Soleil show! You guys are all so talented," she tweeted.

From the silly expression on her face, the Project Runway host looks like she's ready to run away and join 'em!