Under the Influence
Opened: September 11, 2026Closing: September 26, 2026
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After becoming a viral sensation, identical twins Carine and Frances land in couples therapy as the world’s most co-dependent non‑couple. The session erupts into a hilarious musical intervention and a reckoning that threatens to collapse their lifelong duet.
Best known as @thegilberttwins to their 3M+ followers online, Carine and Frances return to their musical theatre roots with their original score co-written by Shona Maule.
Loud, ridiculous, and unexpectedly heartfelt, this new musical comedy explores the chaos of sisterhood, online pressure, and the search for your own voice.
Best known as @thegilberttwins to their 3M+ followers online, Carine and Frances return to their musical theatre roots with their original score co-written by Shona Maule.
Loud, ridiculous, and unexpectedly heartfelt, this new musical comedy explores the chaos of sisterhood, online pressure, and the search for your own voice.
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Under the Influence FREQUENTLY ASKED QUESTIONS
How long has Under the Influence been running on the West End?
Under the Influence opened at the King's Head Theatre on Friday Sep 11, 2026 and has now been running for 16 days.