The adorable moment went down Thursday night, and no stage humping was involved this go around. The Biebs serenaded a couple who had just taken the next big step in their lives.
Justin smashed the song, of course, and even made the groom get in on the singing. Bieber had another request for the couple. "Now make out," he said. And they did.
Talk about a swaggy engagement...Watch below.
Want More? Like us on Facebook
Gallery | Celeb Bridesmaids