Ready to Wed?

They’ve only been dating since July, but Chris Pratt and Katherine Schwarzenegger have gotten super serious. How serious? “They’ll be

that engaged soon,” an insider predicts to Us, noting

down the Guardians of the Galaxy star, 39, is turning

that work just “so he can spend time with her,” and

love, he’s planning to pop the question to his author

the 28. And despite the quick pace of their romance, duo “both know it’s right,” adds the insider. “They’re so happy together.”