Chris Pratt br and Katherine br Schwarzenegger br Are Engaged The Guardians of the Galaxy br star made the announcement br on Monday via Instagram. "Sweet Katherine, so happy you said yes! I’m thrilled to be marrying you. Proud to live boldly in faith with you. Here we go!" The two have been br dating since last year. Katherine is the daughter br of Arnold Schwarzenegger br and Maria Shriver. Pratt posted a photo collage br of the two back in December. "Happy Birthday Chief! Your smile lights up the room. I’ve cherished our time together ... Thankful for the laughs, kisses, talks, hikes, love and care." This will be Pratt's second br time down the aisle after br recently finalizing his br divorce from Anna Farris.