'Family Jewels' fans left hanging by the "will she or won't she?" Season 6 finale need wonder no longer.

We watched Gene Simmons propose (finally!) to longtime girlfriend Shannon Tweed back in July and now, instead of settling in for the long engagement some may have expected, the reality TV stars have announced that they're tying the knot next month.

The pair have released a wedding invitation, which reveals that the ceremony will take place on October 1 at The Beverly Hills Hotel in Los Angeles, and that there's a dress code.

"Classy Cocktail Attire Requested ... although we know some Rockstar attire will be worn." (Hey, could that mean that Gene will get hitched in full KISS makeup and boots? We hope so!)

We've already seen the clip when Gene Simmons finally proposed marriage to the mother of his children, Shannon Tweed, in our exclusive sneak preview of yesterday's season finale of 'Gene Simmons Family Jewels' (Tue., 10PM ET on A&E). But before that, there was a hilarious non-proposal.

Gene Simmons asked their tour guide in Belize the best place to propose, and he was advised to do it on top of the main temple. All of that was fine and dandy, until Gene started running up the steep steps like he was in his 20s again.

"I ... am tired," he declared, before stumbling and crawling the rest of the way to the top.