Must-watch: Billie Eilish performs 'Ocean Eyes' live on The Late Late Show.

Everyone’s favourite 15-year-old, Billie Eilish, made her television debut tonight on The Late Late Show with James Corden, performing her single ‘Ocean Eyes’ while sitting atop a light box (which was yellow, of course).

The performance ties in with the announcement of her being Apple Music’s latest Up Next artist (a series which has previously featured the likes of 6lack).

Watch the performance below…

P.S. Read our latest interview with Billie Eilish here.