Pierce Brosnan Says Singing In 'Mamma Mia!' Was 'Mildly Terrifying'

"Eurovision Song Contest: The Story of Fire Saga" star Pierce Brosnan opens up to Kelly Clarkson about the immense popularity of the competition show throughout the years and admits that when it comes to his own abilities, singing isn't exactly his strong suit. In fact, he said belting ABBA alongside Meryl Streep in "Mamma Mia!" was "mildly terrifying." Watch the show for Pierce's full interview!