She first released the song Ocean Eyes on Soundcloud in 2016. People started listening to the song and they loved it. The song went immensely viral on Soundcloud and that is where Billie Eilish was discovered.

When was Billie Eilish discovered?

Billie Eilish is an American singer-songwriter who first shot to prominence when she uploaded her breakout hit "Ocean Eyes" to SoundCloud in 2015. The song went viral in 2016.

How was Billie discovered?

In August 2016, Justin Lubliner, who had noticed Eilish's talent back in 2015 when he first heard "Ocean Eyes", signed her to Darkroom and Interscope Records.