And we're at such a loss of words, we're going to let Miz Teigen tell you what went down:
In case you didn't know, James Corden is quite the bodybuilding expert!
The Late Late Show host knows so much about fitness that he gave Terry Crews a lesson in lifting — and grunting — on Thursday's episode!
In the clip, Corden faces off against the Brooklyn Nine-Nine star as they take turns doing some intense power cleans.
But things take a competitive turn when Crews infuses some dance moves in his reps to one up his opponent!
[Image via CBS.]