The best songs in Mamma Mia are the unapologetically over-the-top musical numbers that showcase the vocal talents of the cast.

Now we're going behind the scenes with the stars to uncover their favorite Mamma Mia cast friendship stories and what one of them in particular thought about the reunion of the Mamma Mia cast in ...

Meryl Streep and Amanda Seyfried in 'Mamma Mia!' (2008). From mishaps on set to the real-life bonds the cast formed, here are 9 behind-the-scenes facts you didn't know about Mamma Mia!. Stellan ...

Meryl Streep and Amanda Seyfried in 'Mamma Mia!' (2008). From mishaps on set to the real-life bonds the cast formed, here are 9 behind-the-scenes facts you didn't know about Mamma Mia!. Stellan ...