Watch: Thomston covering Ariana Grande’s 'One Last Time'.

Ahead of the release of his debut album, 'Topograph' (out next Friday, September 30th), Thomston visited Radio New Zealand this week to perform a cover of Ariana Grande’s single, 'One Last Time', as well as his own song, 'Float'.

Watch both performances below...

P.S. Click here to read our latest Thomston interview.