Chris Pratt commended his pregnant wife, Katherine Schwarzenegger, for still keeping active while “ready to pop.” On Saturday, the couple went on a hike together and Pratt, 41, joked about the possibility of Schwarzenegger, 30, giving birth on the trail,. “Ready to pop Still don't stop," the “Jurassic World” star captioned a photo of them on his Instagram Story, which was later shared by a fan account.