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.