Yves Saint Laurent himself said it best ... One of Saint Laurent’s most scandalous looks was his 1966 Le Smoking tuxedo suit. Before it, pantsuits on women were still a bit transgressive ...

Sharp suits are key. Instead of rigid silhouettes, opt for a fit that is slouchy and oversized (think: Yves Saint Laurent Le Smoking tuxedo). Look to brands such as The Frankie Shop and Zara for ...