"Weak Heart" is a song by Swedish singer Zara Larsson. It was released on 12 January 2015 through TEN Music Group as the fourth and final single from her debut album 1 (2014). The single peaked at number 53 in Sweden, becoming her first song to not chart within the top 30 and her only single not to achieve any accreditation. In a review of the album, the track was highlighted as being a touching and more emotional track.[1]