GETTY IMAGES A classic cut, wide-leg trousers will never go out of style; take style inspiration from the A-list for new ways to wear yours this season. Prev20 of 20Next Alice + Olivia COURTESY Like Sienna’s, these Alice + Olivia trousers have a high paperbag waist, which can be cinched in to contrast against the wide-leg silhouette. Wear with trainers for an off-duty look. Trousers, £340, Alice + Olivia at Net-a-Porter Prev20 of 20Next