Photo: Courtesy of Saint Laurent.And, the most elegant way to dress for evening is...not a dress at all, actually. Ever since Yves Saint Laurent dropped his iconic Le Smoking suit in 1966, the tuxedo has been the last word in black-tie chic. Today, Lifestyle Mirror pays tribute to its resurgence with a slideshow of how our favorite celebs, from Emma Watson to Ellen, have worn the lady tux, plus key tips for how to style it yourself. Click over to Lifestyle Mirror for more.