and Victor Ortiz
weren't the only ones fighting in Las Vegas over the weekend!
R&B singer Ray J
allegedly punched rapper Fabolous
in the face at the Palms Hotel for talking smack on Twitter.
Here are the tweets that supposedly started the altercation: Comedian Kevin Hart
also poked fun at Ray J over his "One Wish" performance. Well, Ray J obviously didn't find any of this the least bit entertaining, so ...