Cameron Diaz and Fallon photobomb tourists in hilarious prank

Jimmy Fallon has lots of celebrity friends, as he demonstrated on his first episode of the Tonight Show - but hanging out with Cameron Diaz to prank tourists is pretty special.

Jimmy Fallon has lots of celebrity friends, as he demonstrated on his first episode of the Tonight Show - but hanging out with Cameron Diaz to prank tourists is pretty frickin' great.

Fallon decided to hang around on the roof of NBC's Rockefeller Centre - a popular tourist spot known as "Top of the Rock" - and jump in to the photos of unsuspecting tourists with Diaz.