David Beckham Crashes His Son Brooklyn's Instagram Video in the Funniest Way

David Beckham shows off his muscular arms in a tank top while out on Friday afternoon (April 17) in Brentwood, Calif. The 39-year-old former soccer star grabbed some smoothies and acai bowls from one of his favorite spots. PHOTOS: Check out the latest pics of David Beckham Earlier that same day, David‘s son Brooklyn took