George Mackay and Paul Thornley among guests at Disco Pigs opening night

The 20th anniversary production of Enda Walsh's Disco Pigs opened at Trafalgar Studios last night.

Guests including George Mackay, Sam Clemmett and Paul Thornley joined in the celebrations with the show's stars Evanna Lynch and Colin Campbell.

In her review for WhatsOnStage, Emily Jupp praised Lynch's "versatility and emotional honesty". Read the full review here.

Directed by John Haidar, the play examines the tight yet unhealthy friendship between two teens, Pig and Runt, born on the same day at the same time in the same hospital.

Disco Pigs runs at the Trafalgar Studios until 19 August.

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