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 could barely contain her excitement when she finally got to sing alongside Kelly Clarkson, collapsing into pure joy after performing her all-time favorite song with the pop superstar.

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 ...