'American Idol' - Complete List of Every Winner from the Past 20 Seasons!

It’s hard to believe American Idol first premiered almost 21 years ago!

The hit singing competition series premiered on June 11, 2002 on FOX with Simon Cowell, Paula Abdul, and Randy Jackson as the original three judges with host Ryan Seacrest.

After 15 seasons, Idol ended on Fox and after a two year hiatus, the show was revived on ABC in 2018 with Ryan returning as host along with new judges Katy Perry, Lionel Richie, and Luke Bryan.

Over it’s past 20 seasons, Idol has launched the careers of some of the biggest names in the music industry.

Ahead of the season 21 finale on Sunday night (May 21), we’re taking a look back at all of the past winners – and we bet there are some stars that you forgot won the show!

The season finale of American Idol begins at 8pm ET on Sunday (May 21) on ABC.

Click through the slideshow to see all of American Idol’s past winners…