Kelly Sweet (born March 29, 1988), also known professionally as Haliene (; stylized as HALIENE), is an American electropop singer-songwriter currently living in Los Angeles.
As Haliene, she is known for her vocal collaborations with EDM artists Seven Lions, ATB, Ferry Corsten, Aly & Fila and her song with Gareth Emery, Saving Light, which won the A State of Trance award, "Tune of the Year," by Armin van Buuren.