To rest.....he died Johnny Kemp -- the guy who sang the 80s party anthem "Just Got Paid" ... died Thursday at the age of 55. Originally from the Bahamas, Kemp died while vacationing in Jamaica. He was reportedly found floating on a beach in Montego Bay. It's unclear at this point what caused his death. Kemp released his biggest hit in 1988 -- it reached #10 on the Billboard charts and #1 on the dance charts. It also got a Grammy nomination for Best R&B Song.