Mahalia Violet Barnes is an Australian singer-songwriter, the daughter of Scottish-Australian rock singer Jimmy Barnes and Jane Mahoney. She began performing as part of children's pop group The Tin Lids with siblings, Eliza-Jane "E.J.", Elly-May, and Jackie. She later formed her own band, Mahalia Barnes and the Soul Mates, and as of 2024 has recorded four albums with them. She has collaborated with Joe Bonamassa, both in studio and in live performance, as well as other musical artists, including work as a backing vocalist.