55 Celebrity Couples We Can't Wait to See Walk Down the Aisle

The former Glee star popped the question to his longtime girlfriend in January 2018. Darren shared the news on Instagram, writing, "Mia and I have had seven and a half years of fun, wacky, wonderful, CRAZY adventures together. 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."