Grandmaster Sexay

John Cena isn't putting on an act -- he was REALLY in love with Nikka Bella and it "sucks" that she kicked him to the curb ... so says ex-WWE superstar JTG. "I know John Cena was really in love with her. I've never seen him like that," the former Cryme Tyme tag team member told us while sitting in…

Ex-WWE superstar Brian Christopher Lawler -- who famously wrestled as Grandmaster Sexay in the tag team Too Cool with Scotty 2 Hotty -- was arrested in Memphis after allegedly running from a hotel bill. 46-year-old Lawler -- the son of Jerry "The King" Lawler -- was allegedly staying at a Hampton…