Youtube
Youtube

A guy on YouTube turned his marriage proposal into a prank on his girlfriend. He hired an a cappella vocal group to pretend they were mugging him and his girlfriend, and then he had a fake cop come and break it up. But the muggers told the cop that THEY were the victims, and the cop pretended like he was going to arrest the couple instead. Then the muggers started singing and the guy proposed.

https://www.youtube.com/watch?v=t1JBeVKtkvw