Kelli-Leigh Henry-Davilla, known professionally as Kelli-Leigh, is a singer and songwriter from South London.

She is best known for being the uncredited vocalist in the UK number one singles "I Got U" by Duke Dumont featuring Jax Jones and "I Wanna Feel" by Second City, as well as the credited vocalist in the UK top 10 single "More Than Friends" by James Hype. Kelli-Leigh released her debut EP I am Here on 6 February 2012. She has also performed backing vocals for Adele.