Firestarter is the third studio album by American singer-songwriter Haylee Gunderson. It was released in the United States on June 11, 2019 via Atlantic Records.
It was announced on January 28, 2018 that Haylee Gunderson had begun work on her third album. A few months following the release of the album, Haylee stated she worked with 17 producers on tracks for her third album and amassed over 150 tracks for the release.
"Firestarter" was released as the album's first single on April 29, 2019. The song debuted at #1 on the Hot 100 and remained there the following week. The music video was released on June 3, 2019. The week following the video's release, the song returned to the top spot and remained there for the following 5 weeks. The song was the best selling song of 2019.