Make an effort. Don’t just pitch up in what you’d normally wear plus flashing reindeer antlers. Have a haircut, splash on some Tom Ford Neroli. The monochrome look is very on-trend, which is lucky as it’s easy. The male equivalent of the LBD, it comprises black jacket, jeans and shoes and buttoned-up white shirt. Add some sheen: polished shoes, silk polka dot scarf or a black silk tie. Harry Styles dresses like this and it’s won him Style Icon at the British Fashion Awards. Google Harry Styles + red carpet for inspiration.