Gene Simmons Topples Over During KISS Concert

Gene Simmons wants to rock and roll all night (and party every day), but the KISS bassist's rocking ways were temporarily halted during a recent concert.

While Kiss played the Brick Breeden Fieldhouse in Bozeman, Mont., on July 17, the 66-year-old began stepping backward on the stage before tumbling right onto his backside during the show closer "Rock and Roll All Nite." Watch above.