"Heart Don't Lie" is a song by American singer La Toya Jackson. The song is the second single from her album Heart Don't Lie. It is a duet with singer Howard Hewett, although he does not appear in the music video. Musical Youth and Janet Jackson provide background vocals for the track. The single peaked at number 56 on the US Billboard Hot 100 chart, becoming Jackson's highest charting song ever. It also peaked at number 29 on the US Billboard Hot Black Singles chart.