David Beckham's fans have been left in hysterics after noticing a hidden detail in his Christmas snap.The 46 year old, who recently shared a sweet glimpse at his dad Ted's wedding, took to his Instagram feed on Boxing Day to share a gorgeous family photo for the festive period. In the picture, David and his three sons Brooklyn, 22, Romeo, 19, and Cruz, 16, all look dapper as they don black suits with matching ties alongside a white rose each.