Kelly Clarkson's Daughter River Rose Says 'Bye' to 'American Idol' After Series Finale

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Dim the lights, put away the Coke cups, and sing one last swan song because American Idol is officially over. The hit reality singing competition wrapped its 15th and final season on Thursday night with Trent Harmon being named the winner in a surprising finale.

And though she made it clear that she favored runner-up La’Porsha Renae, the show’s first victor, Kelly Clarkson, took to Twitter after performing her epic medley of hits on the show, to congratulate the finalists and say a special goodbye to the program that launched her career.

RELATED: A Complete List of ‘American Idol’ Winners

“Congrats @TrentWHarmon :) @laporsharenae can’t wait 4 ur album too! River wanted 2 say bye #AmericanIdol #IdolFinale,” she wrote along with a video of her precious 21-month-old daughter waving at the camera and saying “Bye, bye bye!” (Is she a closet *NSYNC fan?)

The Idol finale saw the return of most of the show’s previous winners and favorite finalists. There were performances from Clarkson, Carrie Underwood, Jennifer Hudson, Fantasia Barrino, Ruben Studdard and even OG host Brian Dunkleman (remember him?!) returned for one last goodbye.

MORE: Pregnant Kelly Clarkson Proves She’s the Best With Epic Medley of Greatest Hits

Prior to the winner announcement, Clarkson lent her support to Renae, revealing that she had voted for the Mississippi native, marking her first-ever vote for a contestant (even herself!) on the show.

Twitter

The beloved singer also jokingly tweeted about her own performance on Thursday night, writing, “Who is that sweaty, pregnant girl singing?? …oh snap that’s me hahaha!! #ohwell.”

Clarkson has performed multiple times on Idol this season and even served as a guest judge.

What did you think of this season’s winner? Tell us below!