She first appeared at the Babbacombe theatre, Torquay as part of the supporting act Kidz Aloud troupe aged 7.

Following her success in the "Torbay's Got Talent" contest at age 8 she appeared as a soloist at the Babbacombe theatre for their "Christmas Laughter Party".

[1] Laight appeared in a new production of Hairspray at London's Coliseum Theatre 21 June 2021 for a limited run starring alongside Michael Ball and Paul Merton.

[2][3] Lily returned to the West End in 2022 when she appeared at the Dominion Theatre in Dirty Dancing.

[4] Laight's father is Ellis Laight who was a professional football player with Torquay United and numerous non-league sides including Dorchester, Taunton, Biddeford, and Buckland Athletic, becoming the manager of Buckland until 2017 when he resigned.