Olivia Wise, a teenager who refused to let an inoperable brain tumor kill her spirit, died Monday.

Olvia gained fame in the last weeks of her 16-year-long life when a Katy Perry song she recorded in a Toronto studio in September became a viral hit online. Click here to watch the video.

“She died peacefully in her home surrounded by the extraordinary love of her family,” a family statement sent to CNN said.

The teenager said that she didn’t want people crying at her funeral, but that they should celebrate her life, her mother wrote in a letter to CNN.

Read More: Teen who covered Katy Perry’s ‘Roar’ dies

Powerful!