Fast becoming our new favourite style icon, singer John Newman stole the show at Wireless earlier in the week with both his performance and his getup.

Stalking on stage in a white blazer with gold, Navy-style detailing and a loose, white, formal shirt, he looked like a proper showman. His now-trademark black skinny trousers and slip-on shoes looked fantastic, while the winning sunglasses and slicked-back hair make him look like a modern-day member of the Rat Pack.

Newman manages to nail the smart/casual look by picking items that he's clearly comfortable in. Keeping things monochrome is a really swift way to make yourself look smart, contemporary, and very cool. Black jeans and a white tee, or a white shirt and black chinos – it's a recipe for badass-dom.