Mamma Mia! Here We Go Again! Get ready Mamma Mia is heading back to the big screens! We've only waited 10 years for a sequel! It hit's UK cinemas Friday 20th July! So what's new with Mamma Mia 2? Well the story this time is...'Discover Donna's (Meryl Streep, Lily James) young life, experiencing the fun she had with the three...