It’s official: John Galliano has been selected for a career-spanning exhibition at the Metropolitan Museum of Art in 2027. The move to give Galliano’s work a coveted spotlight in the Met’s Costume Institute — an exhibition that serves as the centerpiece for the annual Met Gala, one of the world’s most watched and obsessed-over red carpet events — makes him the third living designer to receive a solo exhibition at the Met. The honor was previously bestowed upon Yves Saint Laurent (in 1983) and Rei Kawakubo (in 2017). That means his entire career, from runway highs to antisemitic lows, will fall into focus at the Met. It will cover the start…