Top 14 Moments From The 'American Idol' Finale

Not a dry eye in the house! Thursday's series finale of American Idol paid tribute to the past 15 seasons, with surprise appearances and star-studded performances from previous contestants. See photos of the top moments!

For the final season, Trent Harmon was the winner. "I worked so hard. I know that I had a God-given ability, but I didn't want to take it for granted. I wanted to work so hard, and Renae pushed me to do it," Harmon said before singing his final song "Falling."

Judge Keith Urban and Idol winner turned country superstar Carrie Underwood delivered a powerful rendition https://radaronline.com/celebrity-news/keith-urban-father-robert-dies-cancer/ of "Stop Dragging My Heart Around."

Original judges Simon Cowell (who made a surprise entrance), Paula Abdul and Randy Jackson reunited on stage to reminisce on the good old days.

Pro wrestler John Cena and wrestler Nikki Bella were also in attendance.

For her arrival on the red carpet, Carrie Underwood made a loud statement in a sheer dress.

Season 1 winner Kelly Clarkson, who is very pregnant with her second child, made an emotional appearance for an epic pop medley of her top songs.

All grown up! Dance Moms star Maddie Ziegler hit the red carpet in style.

A final bows from American Idol judges!

Fan favorite Clay Aiken dusted off his pipes for a performance.

Jordin Sparks opted for a fun print and flare pants for her red carpet look.

What did you think of the American Idol finale? Let us know in the comments below!