David Beckham's H&M swimwear launch stylewatch

So there your faithful fashion reporters were, dutifully attending the pool party thrown by David Beckham to launch his swimwear range for H&M. (And yes, since you ask, it definitely was professionally necessary for three of us to attend.) A balmy summer evening, on the roof of Shoreditch House we're going to be honest and admit we were hoping Beckham would be in trunks. Or maybe a sarong. So imagine our disappointment when he emerged in a knee-length black coat, over a black T-shirt, black trou...