He is the youngest of Arnold Schwarzenegger's four children with ex Maria Shriver and prefers to remain out of the spotlight.But on Monday, Arnold shared a photo of Christopher, 22, to his Instagram to congratulate him on graduating with a Bachelor's degree from the University of Michigan.Alongside a photo of Christopher in cap and gown mocked up to show him holding his degree and an 'I did it' trophy, the Hollywood star, 72, wrote: 'Christopher, you are a champion and I love you.' 'You are a champion': Arnold Schwarzenegger took to Instagram Monday to congratulate son Christopher, 22, on receiving his Bachelor's degree from the University of MichiganArnie continued: 'I know your graduation from Michigan wasn’t the big celebration you.
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