Cleopatra "Cleo" Demetriou (; ; born 23 April 2001) is a Cypriot-born Olivier Award-winning British actress most known for playing the role of Lily Hampton in the CBBC show So Awkward. She is also known for playing the main role in Matilda the Musical in London's West End and for singing the soundtrack "Made of Paper" to accompany the short film Mâché Man.
Early life and career Demetriou was born in Cyprus, and lived in Putney in south-west London throughout her primary school years at Brandlehow Primary School; she subsequently attended Chailey Secondary School and later Imberhorne School.
She is best known for her role as Matilda in the musical of the same name, for which she received the 2012 Laurence Olivier Award for Best Actress in a Musical.
She made her professional stage debut in 2009 playing Gretl in the Sound of Music, and has performed on stage in Enron and Les Misérables.
Demetriou made her television debut in the CBBC sitcom So Awkward playing Lily Hampton. The show, which was first aired on 21 May 2015, follows three socially awkward teenage girls at school who have the problems of fitting in, annoying parents, and boys to worry about. The show ended in 2020, but since then has spanned a number of spin-off series, all of which show Lily after leaving Cranmede.
Filmography
Television Year Title Role Notes 2007 What's Your News? Child Interviewer 2009 Katy Brand's Big Ass Show American Girl 2015–20 So Awkward Lily Hampton 77 episodes 2015 Brian the Brain Brain 1 episode 2017 Top Class 1 episode; celebrity special 2018, 2021 Saturday Mash-Up! Celebrity Guest 2 episodes 2021 Still So Awkward! Lily Hampton 13 episodes 2024–2025 So Awkward Academy Lily Hampton 20 episodes + 2 specials 2026 Girl Troop vs Aliens Olive Moss 8 episodes
Theatre Year Production Role Location 2008 The Sound of Music Gretl von Trapp London Palladium 2009 ENRON Daughter Royal Court Theatre 2011 Les Misérables Young Cosette Queen's Theatre 2011–12 Matilda the Musical Matilda Wormwood Cambridge Theatre28 October 2011 – 18 August 2012 2025-26 Sleeping Beauty Princess Rose Floral Pavilion Theatre6 December 2025 - 4 January 2026
Awards and nominations Year Award Category Production Result 2011 WhatsOnStage.com Awards Best Actress in a Musical (shared with Kerry Ingram, Sophia Kiely and Eleanor Worthington Cox) Matilda the Musical 2012 Laurence Olivier Awards Best Actress in a Musical (shared with Kerry Ingram, Sophia Kiely and Eleanor Worthington Cox) 2018 British Academy Children's Awards Best Comedy So Awkward
References