Never forget Amanda Seyfried is a great singer. The 40-year-old actress appeared on the Tuesday, Jan. 27 episode of The Kelly Clarkson Show and professed her love for the host's live recording of her ...

The Mamma Mia! star couldn't contain herself after singing her favorite power ballad with the original artist. Her response when they wrapped up singing has viewers hitting replay again and again.

She starred in a box office smash that used the songs of Abba to create one of the most successful musicals of all time. However, Mamma Mia actress Amanda Seyfried has described how a song by Scots ...