And millions swooned to Will's crooning in his auditions.
But there were loads of cringe-worthy moments too! And that's what made the show so popular.
More than 14 million watched the final, a year ago on Sunday.
And it's hoped this year's show, hosted by Ant and Dec and on air in late summer, will be just as exciting!
Hopefuls who want to apply should contact Pop Idol II, PO Box 110, London W1A 6SH, or e-mail popidol@thamestv.co.uk for a form. Closing date is 28 February.
And don't forget to let us know if you or someone you know gets an audition!