The X Factor's Diana Vickers diagnosed with chronic pain condition after four years of mystery 'debilitating pain' The X Factor 2008 semi-finalist Diana Vickers has revealed that after four years of debilitating, misdiagnosed pain, she has been diagnosed with pelvic congestion syndrome. 30 April 2026 The X Factor 2008 semi-finalist Diana Vickers has been diagnosed with a chronic pain condition after years of "debilitating", misdiagnosed pain.