Looking back at the most successful American Idol alumni

The National
  • Ethan Miller / Getty Images / AFP
    Ethan Miller / Getty Images / AFP
  • Reuters / Jose Luis Magana
    Reuters / Jose Luis Magana
  • Chris Pizzello / Invision / AP
    Chris Pizzello / Invision / AP
  • Reuters / Gus Ruelas
    Reuters / Gus Ruelas
  • Scott Gries / Getty Images
    Scott Gries / Getty Images
  • Chris Pizzello / Invision / AP
    Chris Pizzello / Invision / AP