Proud Dad David Beckham Looks On As Son Cruz Kicks His Way To A Black Belt!

David Beckham's got himself a team of athletes, just within his own family!

His three boys, Brooklyn, Romeo and Cruz all play soccer and their youngest is also excelling at Taekwondo -- Korean martial arts.

The 6-year-old showed off his powerful moves during a demonstration class Saturday and proud papa Beckham looked on with all the other parents.

We hope David never has to find out what it's be like to be on the other end of that kick when Cruz hits his teens years!