Kate Stewart (born 16 January 1995), also formerly known as KStewart, is an English singer-songwriter. She featured on the vocal version of Oliver Heldens's "Koala", and her song "Ain't Nobody" charted at number 86 on the UK Singles Chart. On 23 November 2018, she released her first EP, named In the Beginning. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.