Gene Simmons Family Jewels Gene Simmons takes a fall during Kiss concert 07/18/2016 Gene Simmons took quite a spill during a Kiss concert in Montana on Saturday. A fan caught the fall on video. Read More RELATED NEWS Gene Simmons announces $2,000-and-up 'The Vault' solo collectionGene Simmons' daughter Sophie Simmons calls out Katey Sagal over affair with dadGene Simmons takes a fall during Kiss concert TAGS: Gene Simmons