The track was written by the 16-year old pop sensation and produced by her brother, actor/musician Finneas O'Connell. Eilish mumbles "wait till the world is mine" before erupting into a beat-dropping chorus, singing, "Make 'em bow one by one."
This is not the first time the two family members have collaborated; O'Connell has received writing and producing credits on many various works with Eilish, including her debut EP, 2016's don't smile at me.
The Interscope-signed teen is busy at work on her yet-to-be-titled debut album, and will be traveling across the States this summer, making various festival appearances.
Get a listen of the new track below.