After Christopher Schwarzenegger—the youngest son of Arnold Schwarzenegger and Maria Shriver—detailed his weight loss journey, sister Katherine Schwarzenegger showed off the results on the 'gram.

Arnold Schwarzenegger and Maria Shriver's son Christopher is showing up and showing off after his 30-pound weight loss journey. The 27-year-old showed off his new physique while scrolling through his phone in photos shared by his sister Katherine via Instagram Friday, August 22. Katherine, 35, shared a series of photos of a family trip to

Christopher Schwarzenegger showed off his dramatic weight loss transformation in a photo shared online by sister Katherine Schwarzenegger Pratt. The son of Arnold Schwarzenegger and Maria Shriver recently opened up about losing weight,