He's come a long way from Summerhill, but even Barry Keoghan probably never envisaged himself at the Met Gala.

The Dublin actor made his first appearance at the high-profile, star-studded event last night, rubbing shoulders with

More importantly, it was one of the first times that he and his new girlfriend, actress and singer Sabrina Carpenter, have appeared at a red carpet event together.

Keoghan, who has become known for his brave fashion statements in recent years, wore a custom Burberry suit and top hat for the 'Garden of Time' theme, which was based on a 1962 short story by JG Ballard.

Many praised him for the look, although some social media users suggested a likeness to Willy Wonka or The Mad Hatter from Alice in Wonderland...