LONDON, ENGLAND - NOVEMBER 21: David Beckham (C) and his sons, Cruz (L) and Romeo (R) attend the men's singles semi final between Rafael Nadal of Spain and Novak Djokovic of Serbia on day seven of the Barclays ATP World Tour Finals at the O2 Arena on November 21, 2015 in London, England. (Photo by Julian Finney/Getty Images)
