David Beckham is a hard worker. Whether he's breaking a sweat on the soccer field, appearing in Burger King commercials or modeling underwear for various brands, David knows how to keep busy. But his most important job is being a husband to wife Victoria Beckham and a dad to their four kids, Brooklyn, Romeo, Cruz and baby girl Harper, something he says keeps him motivated.  OK! GALLERY: DAVID BECKHAM'S DAUGHTER HARPER STICKS HER TONGUE OUT AT THE PAPARAZZI  So what's his next goal? ... Read More >>