"Light It Up" is a song by American electronic music producing group Major Lazer, featuring vocals from Jamaican singer Nyla, which appears on Major Lazer's third studio album Peace Is the Mission. A remixed dancehall version of the song, to which additional vocals from British-Ghanaian Afrobeats artist Fuse ODG were added, was included on a re-released version of Peace Is the Mission and released as the album's third single overall on November 5, 2015.
They performed the song on 22 February 2026 at the closing ceremony of the Milan / Cortina Olympic Winter Games at the Verona Arena in Verona, Italy.