Cruz Beckham, the youngest of David and Victoria Beckham's sons, has revealed who his celebrity crush is – and the answer may surprise you.MORE: Victoria Beckham's son Cruz's 16th birthday cake is a work of artThe teenager was answering fan questions from his 1.8 million Instagram followers, when someone posed the query.Although Cruz was more than happy to respond to the fan question, he did make a small attempt to hide the answer away as he wrote it in small text.WATCH: David Beckham gets told