Adam Felman (rapping under the name Mos Prob) and Jacqueline Harper (a.k.a. Rapunsell) were teaming up for Britain's Don't Flop rap battle league when Adam turned the tables on his rap partner in front of 1,000 people, according to the Daily Mail.
When Jackie handed the floor over to her boyfriend, he started throwing out rhymes about their relationship, ending with, "So although I'm about to get lambasted on track repeat for attempting this in a battle, please, I'd kill for you Jackie. I love you. Will you marry me?
Well, that must've been a tough act to follow!