Seyfried referred to the live version of Clarkson's "Beautiful Disaster" as the "power ballad of this century" ...

Amanda Seyfried just checked something huge off her bucket list.

Amanda Seyfried previously played the character of Sophie in the film adaptation of Mamma Mia! and its sequel, Mamma Mia!

When Kelly Clarkson’s talk show guest Amanda Seyfried, 40, told Clarkson on Tuesday that her song Beautiful Disaster was “the ...

There's something about Kelly Clarkson singing alongside '90s icons that hits differently. Back in September, we highlighted Clarkson's heavenly duet with Alanis Morissette from an early episode of ...