Pierce Brosnan admitted he was "terrified" to sing in Mamma Mia!, but two of his costars alleviated some of his worries. "It's not an easy song to sing, and I was mildly terrified," Brosnan shared. "I ...

Plus, what he thought of Pierce and Colin's singing skills. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It was a joyfully silly role that was ...