Jimmy Fallon, Jon Hamm photobomb tourists

Jimmy Fallon, Jon Hamm photobomb tourists
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Tonight Show host Jimmy Fallon and actor Jon Hamm surprised tourists at "Top of the Rock" with a photobombing session.

Fallon explained to his audience that the premise was to offer visitors the chance to get their photo taken on the roof of Rockefeller Center. What they didn't know is that Fallon and Hamm would be goofing around behind them.

Fallon and Hamm coordinated a series of stunts, including a jump, a chest bump and Hamm giving Fallon a piggy back. They also ate a hoagie from opposite ends, and emerged slowly from trash bins.

Watch here.