The couple, whose year-long relationship ended in April 2020, were both in attendance at the star-studded gala, held annually at the Metropolitan Museum of Modern Art.
The theme for the evening was In America: A Lexicon of Fashion, with Timothée joining musician Billie, poet Amanda Gorman and tennis star Naomi Osaka among a heavy-hitting contingent of celebrity co-chairs.
Exes: Lily-Rose Depp crossed paths with ex-boyfriend Timothée Chalamet on Monday evening as the long-delayed Met Gala got underway in New York City
Despite confirming their split, the former couple were reportedly seen together as recently as April 2021, during a shopping trip at Verameat in New York City’s East Village.
A sourc told Entertainment Tonight: ‘Timothée has come into the store several times, both with Lily and alone. While Lily was looking at something outside, he bought it quickly for her as a secret gift and then ran out.’