Cop Your XXL Merch Now 50 Cent and Keith Sweat had engaged in a fiery exchange over the singer’s scheduled appearance at 50’s Humor & Harmony Weekend and Keith’s upcoming New York City event. 50 Cent and Keith Sweat Have Heated Argument50 Cent and Keith Sweat got into a heated argument on Instagram over the singer’s scheduled appearance at 50’s Humor & Harmony Weekend event in Shreveport, Louisiana on Aug. 8-11. Sweat is supposed to perform at the 50 Cent & Friends Concert on Aug. 10, but it might not happen now. On Friday (July 26), 50 Cent posted a video on his Instagram of himself talking t…