News Watch: Arnold Schwarzenegger's Birthday Shopping with Sons Published 10:15 AM PDT, August 1, 2011 Arnold Schwarzenegger celebrated his 64th birthday with his family, shopping with his sons Patrick and Christopher at upscale department store Barneys New York in Beverly Hills on Saturday. Also reportedly joining in on the birthday fun? None other than his soon to be ex-wife Maria Shriver, who was later seen driving off with Arnold. Guess this is going to be one amicable divorce! Check out the video to see the Schwarzenegger clan celebrate Arnold's birthday, as well as a happy Christopher giving the photogs a thumbs-up exiting Barneys.