She began her musical career in 2016, and was signed to the Dutch hip hop record label Noah's Ark [nl] in 2017.

[10][11] Throughout her teenage years, Den Hollander suffered from mental health issues, including experiencing auditory hallucinations and depression.

[11] In 2016, Den Hollander self-released her first mini-album Antipsychotica, which she recorded using her Apple headphones and uploaded to the online audio distribution platform SoundCloud.

[3][4] Shortly after the release, she was discovered by rapper Jiggy Djé, and signed with his record label Noah's Ark [nl] in 2017.

Her fourth album, Mijn haren raken naar vuur, is produced by former Bring Me the Horizon member Jordan Fish and set to be released in March 2025.