Watch Melissa McCarthy, James Corden, & Kristen Schaal HIGHlariously Try To Blow Bubbles While Wearing A Mouthguard! Ewwww!

Melissa McCarthy sure has been having a TON of fun on the late night circuit helping to promote her new film The Boss!
Earlier this week, the comedienne not only had an epic Lip Sync Battle with Jimmy Fallon, but she also competed in a cook-off with hubby Ben Falcone on Stephen Colbert‘s Late Show!
Related: Peter Dinklage Says Melissa & Her Husband Were ‘Always Making Out On Set’!
Well on Wednesday night, Melissa stopped by James Corden‘s even sillier Late Late Show where things got downright wacky when Corden, McCarthy, and Kristen Schaal all decided to wear mouthguards for the interview!
Ch-ch-check out the crazy shenanigans (below) as the celebs do their best to talk, drink, and blow bubbles while wearing the mouth pieces!

Make sure to catch The Late Late Show with James Corden weeknights at 12:37 a.m. EST on CBS!