Anastacia is an American pop-meets-rock singer who shot to fame with hit single I'm Outta Love. She was first diagnosed with breast cancer in 2003 but after a series of successful surgery and radiotherapy she was able to beat the disease. In 2013, she was forced to cancel her European tour after being diagnosed with breast cancer for a second time. She was a guest judge on the X Factor UK during the auditions in Glasgow in 2012 and in 2016 entered Strictly Come Dancing.