Instagram/Sam Smith & Christian Cow Celebrity Sam Smith and Christian Cowan stun at 2026 Met Gala in custom Erté-inspired looks, featuring 230,000 crystals and 800 hours of craftsmanship. May 5, 2026 AceShowbiz - Sam Smith attended the 2026 Met Gala alongside their partner, acclaimed designer Christian Cowan, both showcasing exclusive custom ensembles crafted by Cowan himself. The event, held at the Metropolitan Museum of Art in New York City, celebrated the theme "Fashion is Art," inspiring the couple's striking and artful attire.