The show-stopping lip-locking happened as the song ended on the words, "Let's Marvin Gaye/And get it on."
The kiss sure went over better than a traditional bow!
As reported by E! Online, Best Country Male winner Luke Bryan couldn't resist poking fun at the water-cooler moment, noting, "Charlie and Meghan getting it on over there smooching. It rolled after the commercial break, too."
The pair are apparently just good friends who know how to sell a performance!
"Extra" caught up with Charlie on the red carpet at the AMAs, and he chatted about rehearsing the make out session with Meghan. Watch!