United Kingdom, April 29 -- KISS star Gene Simmons wishes he'd done more to help his former bandmate Ace Frehley.

The 76-year-old Crazy Crazy Nights rocker has opened up about his longtime friend - who died last year at the age of 74 - and admitted he is filled with regret over missed opportunities to help Ace when he was battling addiction issues at the height of KISS' fame revealing he should have staged an intervention "decades ago".

During an appearance on the Inside Of You With Michael Rosenbaum podcast, Gene explained: "I should have, and could have, but I should have, a long time [ago], when you see the disease starting to get ahold of him, I should have, decades ago, took, took him aside - it's called an intervention - and force...