The tuxedo

Thank you Yves Saint Laurent for giving womankind 'Le Smoking'. The oh-so-stylish tuxedo is the only way to do dressed up, without a dress. We think it looks best with vertiginous heels, a slinky camisole and a whole lot of Helmut Newton attitude.

Velvet tuxedo jacket, £49.50 and matching trousers, £49.50 both Per Una - www.marksandspencer.com