The historically private duo have never discussed their relationship in the past, after getting engaged in October 2016, but both have attended various Sundance Film Festival events this week to support The Hero. (It should also be noted that the cold makes it a bit easier to hide a bump.)
Congratulations to Prepon and Foster! May your child never be incarcerated and/or held in a prison that's any less interesting than Litchfield.
Follow Marie Claire on Facebook for the latest celeb news, beauty tips, fascinating reads, livestream video, and more.