Justin and Hailey Bieber rang in three years of marriage on Monday night at the 2021 Met Gala. Fashion's biggest night just happened to take place on the same day as the couple's 2018 courthouse wedding ceremony — and they certainly celebrated in style. The 27-year-old pop star and 24-year-old model walked the Met Gala red carpet together for the first time as husband and wife, with Hailey in a strapless black Yves Saint Laurent dress and Justin in a wide-legged suit from La Maison Drew, a new