Charli xcx releases 'Guess' featuring Billie Eilish.

Charli xcx and Billie Eilish have teamed up on a new version of 'Guess' - the latest single from Charli's beloved 'BRAT' album, and arrives accompanied by a music video directed by Aidan Zamiri.

All bras and underwear used in the music video have been donated to I Support The Girls. ISTG collects and distributes essential items, including bras, underwear and menstrual hygiene products, allowing people experiencing homelessness, impoverishment or distress to stand tall with dignity.

Watch the music video below...