Life KISS frontman Gene Simmons suffers from kidney stones By weekster Posted on October 3, 2019 52 second read Share on Facebook Share on Twitter Share on Google+ Gene Simmons has been admitted to a hospital in Los Angeles. The 70-year-old singer from KISS has kidney stones, TMZ knows. The rocker will be treated on Tuesday and is expected to be able to go home soon. Probably Gene has been suffering for a while. Last month, KISS postponed the last concert of the third part of their last world tour, the End of the Road World Tour. The next concert is only in Australia in November.