Christopher Schwarzenegger Shows Off Incredible Weight Loss on Patrick's 29th Birthday: Before and After Photos

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Christopher Schwarzenegger, 24, showed off the stunning results of his two-year weight loss journey at his brother Patrick Schwarzenegger's 29th birthday party on September 18. Christopher arrived at Nobu Malibu looking remarkably lean and healthy, dressed in a gray collared shirt and blue pants. The youngest son of Arnold Schwarzenegger, 75, and Maria Shriver, 66, has rocked a beard with his curly hair, as seen in the photo below.

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Christopher Schwarzenegger on Nobu Malibu on September 18 (Photo: AGEM / BACKGRID)

Christopher attended Patrick's party with his sisters Christina Schwarzenegger, 31, and