"Mia and I have had seven and a half years of fun, wacky, wonderful, CRAZY adventures together," Criss wrote. "And I'm happy to announce that we're kicking those adventures up a notch. We're goin for it. To boldly go where neither of us have gone before. Engage. 🚀💍🖖."
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Criss, 30, first became a familiar face on TV as Blaine on "Glee." In his current role on "ACS," he's playing spree killer Andrew Cunanan, who murdered iconic fashion designer Gianni Versace and then committed suicide with the same gun eight days later in 1997.
Swier, 32, went to NYU's Steinhardt School of Media Studies and Television Production. She has held jobs at Showtime and FOX.