It’s hard to believe that Céline Dion has never attended the Met Gala. Throughout her illustrious career, the 49-year-old singer has hit the red carpet and the stage in hundreds of high-fashion pieces — and designers jump at the chance to dress her. But Monday night, Dion made her debut on the famous Metropolitan Museum of Art steps — and she brought the drama. The singer selected an Atelier Versace gown teamed with a origami-inspired headpiece.