"Heartbeat" is a song recorded by Polish singer Margaret for her debut studio album, Add the Blonde (2014). It was written by Małgorzata Jamroży and Joakim Buddee. Some of the song's lyrics were influenced by Michael Jackson's "Beat It". "Heartbeat" was released as the third single from Add the Blonde on 23 February 2015, only in Poland.

The single reached number eleven on the Polish Airplay Chart.

A music video for the song was released onto YouTube on 12 June 2015. It was directed by Olga Czyżykiewicz.

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