Article continues below advertisementChristopher Schwarzenegger is turning heads with his impressive physique and new romance.The 28-year-old joined his sister Katherine Schwarzenegger and her husband, Chris Pratt, for a family day at a Brentwood, Calif., pumpkin patch on Monday. The outing included a mystery blonde who appears to have stolen his heart.Article continues below advertisementSource: MEGAChristopher Schwarzenegger joined his sister Katherine Schwarzenegger and her husband, Chris Pratt, for a family day out.