Jessie Buckley donned an electric blue Grecian-style gown to walk the red carpet.

The 61-year-old actor, writer and presenter is known for hosting the US version of the hit reality game show since it first launched in 2023.

Avengers: Doomsday is expected to be released next year.

Lord Ivar Mountbatten is the son of the late Marquess of Milford Haven, who was the first cousin of the late Queen’s husband the Duke of Edinburgh.

Appearing alongside the comedian on The Graham Norton Show are celebrities that include Sofia Vergara and Jodie Comer.