Superstar played a one-of-a-kind solo show to mark his becoming the first artist to sell more than 10 million copies of seven different albums
Kelly Clarkson, gospel singer Yolanda Adams also set to perform at annual event
Powerhouse singer has a new record label deal for the first time since 'American Idol'
"Not all of us can sing like Kelly Clarkson, but all of our voices matter," Obama says in clip tied to 'Idol' finale
From Kelly Clarkson's return to a David Bowie tribute, here are the best performances from the series' last show ever
The Fox show said goodbye with a finale that reminded you of how wonderful — and WTF — this pop juggernaut once was
As the show sings its swan song, we look back at the franchise's most out-of-tune moment
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Show's two most successful winners will help tell it goodbye after 14 years
Oscar-nominated songwriter Diane Warren penned all-star track, "This Is for My Girls" that also includes Lea Michele, Janelle Monae and Kelly Rowland
"I get along with everyone I work with, but he's just not a good guy for me," singer says of "Since U Been Gone" co-writer
Macklemore and Ryan Lewis' 'This Unruly Mess I've Made' disappoints in debut week
First winner of reality competition series brings judges, self to tears while singing ballad "Piece By Piece"
Piece by Piece trek comes to a halt, as singer is forced to go on vocal rest
"So bummed that I have to cancel some of my tour dates. This kills me, but doctors are saying I need to rest my voice," singer tweets after six shows nixed