À Plein Cœur is a signature track by French icon Johnny Hallyday, released in 1971. The song exemplifies his mastery of the chanson style, blending romantic sentiment with a driving rhythm that became a staple of his live performances. As one of his most enduring hits, it showcases his powerful vocal delivery and solidified his status as a national treasure during the early 1970s. The recording remains a cornerstone of his discography, frequently performed at concerts and celebrated for its timeless appeal within the French music canon.