By Adam S. Levy - Breaking Celebrity News Staff Writer

Rihanna might have forgiven Chris Brown, but WWE champion CM Punk has no love for the R&B star, who continues to grapple with his tarnished image three years after his brutal beating of the Umbrella singer left her hospitalized.

The two young men, at the top of their respective fields, have taken to Twitter in an increasingly personal and hostile war of words after the WWE’s cash cow, 33, ripped the Grammy winner, 22, hours after his surpri