Béatrice Mireille Martin, better known by her stage name Cœur de pirate, is a Canadian singer-songwriter and pianist. A francophone from Montreal, she sings mostly in French and has been credited in Montreal Mirror with "bringing la chanson française to a whole new generation of Quebec youth."

"Jet Lag" a song by Canadian rock band Simple Plan. It was released on April 25, 2011, as the second single from their fourth studio album Get Your Heart On!. Coeur de Pirate co-wrote the song with Simple Plan and a demo was recorded with her voice.