Ray J wants his heart monitor back, and he is not playing about it. The singer says a fan pulled the device off his body ...

Ray J alleges a fan stole his heart monitor during his recent show, and he needs it back ...

Ray J's heart monitor has been stolen ... and he's pleading with the thief to give it back.

Ray J's heart monitor was stolen by a fan during his Valentine's Day concert in Shreveport, Louisiana, while performing "One Wish." ...