Olivia Wilde and her toyboy Harry Styles glammed up for the New York City premiere of her second directorial feature, Don't Worry Darling, at AMC Lincoln Square Theater on Monday. Elegant: Wilde bared her back in a black long-sleeved YSL gown and statement bracelets selected by stylist Karla Welch Woman of the hour: Hairstylist Kiley Fitzgerald coiffed the DC League …