VIDEO: Olivia Munn, Aaron Rodgers rock out with lip sync app

Actress Olivia Munn and Green Bay Packers quarterback Aaron Rodgers are having way too much fun in lip syncing videos they posted to social media.

The couple discovered Dubsmash, a lip syncing app that lets you lip sync songs and famous quotes.

They pair performed covers of Mariah Carey and Boyz II Men songs, as well as a dramatic reenactment of "The Princess Bride," which they posted to Instagram.

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