Producer – Jay ReynoldsWritten-By – James McVey

Written-By – Bert Berns, Phil Medley

Written-By – The Vamps Written-By, Producer – Jay Reynolds

Producer – Espionage Written-By – Amund Bjørklund, Ben Harrison , Espen Lind, Ibrahim Asmar, Jamie Scott, The Vamps

Written-By – Jamie Scott, John Ryan , Julian Bunetta, Liam Payne, Louis Tomlinson

Featuring – Demi LovatoWritten-By – Kristian Lundin, Savan KotechaWritten-By, Producer – Carl Falk

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