Get ready to rumble! Chris Brown got into a Twitter bout with WWE wrestler CM Punk earlier this week. After Punk tweeted that he wanted to "stomp" on Brown because of his infamous beating of then-girlfriend Rihanna in 2009, the singer fired back on Twitter, questioning the wrestler's manliness and accusing him of steroid use. Punk responded in a Web video, calling Breezy a "sad, cowardly little boy" and inviting him to "get in the ring." We don't know what's going to happen next — CB has since deleted the tweets and said he's done with the flame war — but we know this isn't the first time music and wrestling have bumped heads. And, with both professions' love for the spotlight, beef and fakery, we have a feeling it won't be the last. Click to see what happens when music and wrestling step into the ring.