The 27-year-old showcased his dramatic weight transformation in a summer-ready ensemble of a fitted button-down shirt and pink shorts.

Christopher Schwarzenegger has come incredibly far in his weight loss journey. Arnold Schwarzenegger and Maria Shriver’s 27-year-old son showed off his dramatic weight loss transformation in new photos shared by his sister, Katherine Schwarzenegger.

Christopher Schwarzenegger is drawing attention after debuting a dramatic weight-loss transformation in a new family photo shared by his sister, Katherine Schwarzenegger Pratt, on Instagram. The Aug. 22 post showed the 27-year-old looking noticeably leaner alongside mom Maria Shriver, brother-in-law Chris Pratt, and uncle Anthony Shriver.