Cena said, "I still don't think this is a good idea," but obliged when Bella told him to "shut up" and take off his clothes.
The two stripped completely -- though their private parts were censored -- and shimmied around as Cena said, "I think my tube's on YouTube! Half a million, love!"
Before the video could reach its climax, however, Cena accidentally passed gas -- loudly -- which disgusted Bella as she walked out of the frame and said, "What did you eat? Someone else's farts? You honestly ruin everything."