Stars Attend The HBO Max UK & Ireland Launch Event

HBO Max hosted a launch party for the upcoming release of the streaming site in the UK and Ireland this evening, March 25, in London. Held at Queen Elizabeth Hall, some of of the network’s biggest and rising stars were on hand for the celebration.

Harry Potter and the Philosopher’s Stone’s Arabella Staunton, Dominic McLaughlin, and Alastair Stout took a break from filming to enjoy the celebration. A Knight of the Seven Kingdoms’ Dexter Sol Ansell was nothing but smiles as he hit up the event.

HBO Max debuts tomorrow, March 26, in the UK and Ireland.

Source: David Jon/HBO Max

dexter sol ansell at the HBO max launch event in london pic.twitter.com/6MfMaobpZr

— the tall (@knightofsevens) March 25, 2026

Arabella Stanton, Dominic McLaughlin and Alastair Stout at the HBO Max Experience for the launch of the streaming platform in the UK and Ireland

First official event for our Golden Trio 🥹 pic.twitter.com/1eE3kdE5l2

— Daily Harry Potter (@TheDailyHPotter) March 25, 2026