Cameron Diaz and Justin Timberlake Participate in Awkward High-Five in New Bad Teacher Clip

With the current state of Justin Timberlake's romantic life as twisted as a bird's nest, it's hard to remember that he was once dating Cameron Diaz. But he was! And the exes are co-starring in Bad Teacher this June, which should produce many awkward moments for celebrity relationship connoisseurs. For instance, this high-five.

"You're in Period Five!" Just throwing this out there: The Office's Phyllis Smith totally steals that scene with minimal effort.