"Bad Behaviour" follows on from earlier singles "Mad Love" and "Don't Call Me Up".
The new single is one of 20 tracks to feature on Mabel's debut record, which will include many of last year's hits, including "Fine Line" with Not3s, "Ring Ring" with Jax Jones, "My Lover", and more.
"Bad Behaviour" is out now. High Expectations will arrive 12 July via Polydor. Mabel supports Khalid at London's O2 Arena on 18 September. Find out more.