Lorde wins Song of the Year Grammy

Lorde has won the Grammy for Song of the Year.

Lorde has won the Grammy for Song of the Year, for her song 'Royals'. (AAP)

Lorde won for her song Royals.

She beat nominees Just Give Me A Reason: Jeff Bhasker, Pink & Nate Ruess, songwriters (Pink Featuring Nate Ruess); Locked Out Of Heaven: Philip Lawrence, Ari Levine & Bruno Mars, songwriters (Bruno Mars); Roar: Lukasz Gottwald, Max Martin, Bonnie McKee, Katy Perry & Henry Walter, songwriters (Katy Perry) and Same Love: Ben Haggerty, Mary Lambert & Ryan Lewis, songwriters (Macklemore & Ryan Lewis Featuring Mary Lambert).