Carrie Underwood stopped by.
So did Jennifer Hudson, Simon Cowell and even President Barack Obama… sort of.
There were plenty of memorable moments from the American Idol series finale, even before Trent Harmon was crowned the winner.
Who put on the best performance? Whose return took you most by surprise? What stood out to you the most, for either a good reason or a very bad one?
Relive the American Idol finale below…
1. Co-Hosts Reunite
That’s Brian Dunkleman. The original American Idol co-host came out on the finale and hugged Ryan Seacrest.
2. President Obama Addresses American Idol Viewers
President Barack Obama made a video appearance on the American Idol series finale. Yes, THAT President Barack Obama!
3. Kara DioGuardi, Tamyra Gray and Jordin Sparks Sing a Medley
Kara DioGuardi, Tamyra Gray and Jordin Sparks all returned to the American Idol stage to sing a medley of pop hits on the series finale.
4. Carrie Underwood and Keith Urban Duet
Carrie Underwood and Keith Urban! On one stage! Check out their performance on the American Idol finale.
5. William Hung Bangs Again!
William Hung just had to Bang one more time. Check out his return here to American Idol.
6. American Idol Acoustic Medley
American Idol broke it down for this finale performance. Watch Amber, Carly, Casey, Clay, Jessica, Katherine and Ruben perform without the help of any instruments.