Gene Simmons is busted and his long-time lover is going to be pissed! Gene Simmons has a sex tape out - and his girlfriend is not one of the stars!

Oh geez, this is probably going to be ugly. While we're sure long-time girlfriend Shannon Tweed is aware that Gene Simmons has had sex with more women than you could imagine, did she know he was secretly recorded having sex with a model while dating her?

It would seem that Gene Simmons had sex with a Austrian model named 'Elsa' and he was secretly recorded doing the dirty deed.

Perez Hilton dishes: What is Gene's Secret? Actually, it's a WHO, and she is a hot little Austrian babe, named Elsa. She is a model, and one of the Frank's Engery Drink Girls, a brand which Gene endorses (apparently to fuel his sex drive.) Elsa and Gene party like rock stars.

Watch the tape at GenesSecret.com here! Bittenand Bound has the NSFW link here.

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