Became known as a vocalist for the hit girl group Little Mix alongside Jesy Nelson, Leigh-Anne Pinnock and Jade Thirlwall.
She performed at school singing shows but never thought of herself as a great singer.
She helped Little Mix become the first all-girl band to win The X Factor singing competition with their cover of "You Oughta Know" by Alanis Morissette.
She grew up with an older brother named Jonnie in South Shields, Tyne and Wear. Her parents Alex and Debbie divorced when she was very young. She began dating soccer player Alex Oxlade-Chamberlain in 2016.
She was engaged to former One Direction star Zayn Malik from August 2013 until they separated in August 2015.