On Monday's 'Watch What Happens Live,' the actress also got candid about her rumored feud with Mariah Carey.
The singer recently opened up about how her absentee father and supportive husband both inspired her emotional single.
After the show, Ryan Seacrest couldn't help but get nostalgic about Clarkson's 2002 win on the show.
"It seems like it wasn't that long ago," Seacrest tells ET.
'This could literally be us,' one 'Idol' hopeful declared.
The singer's manager continues to slam the production company, while a source tells ET Carey is also upset with host Ryan Seacrest.
The singer opens up about her new reality show and returning for the final season of 'American Idol.'
The Kardashians are sending their love to Kim Kardashian and Kanye West -- she gave birth Saturday morning.
Welcome to the family, baby boy!
The original judges get nostalgic looking back at the iconic series with ET.
Plus, Ryan Seacrest opens up to ET about what else we can expect when the show returns in January.
The boy band joins Carrie Underwood for the high profile performance.
Khloe also shares an update on Lamar's current condition.
Kim Kardashian also reveals she could give birth at 'any moment.'
