George Clooney and Brad Pitt: come to mind, just for their ease with themselves. David Bowie: going further back, he had extraordinary quirk. Grace Kelly and Audrey Hepburn: for women, the ’50s were brilliant – the likes of these two will not come again. And who could forget the brilliant Gabrielle Bonhuer 'Coco' Chanel? More: Hisham Wyne's best buys.