Samantha Jade

Samantha Jade Gibbs (born 18 April 1987), known as Samantha Jade, is an Australian singer-songwriter, actress and former child model from Perth, Western Australia. She has written tracks for artists including JoJo and Ashley Tisdale. On 20 November 2012 Jade won the fourth series of The X Factor (Australia), the first female to win the Australian series. She subsequently signed with Sony Music Australia and released her winner's single "What You've Done to Me", which debuted at number one on the ARIA Singles Chart.

source: Wikipedia