Her group became the first all-girl group to win a season of The X Factor.
She was raised by John Nelson and Janice White. She has a sister named Jade and two brothers named Joseph and Jonathan. She dated Eddie Brett from the band Lovable Rogues in 2013. She was engaged to Rixton singer Jake Roche up until 2016. She then dated musician Harry James from 2017 until late 2018. Subsequently, she dated Chris Hughes of Love Island for about a year and a half before the two split in April 2020.