Inspirational 13+ Lily James Mamma Mia Premiere Hair. You guys i can't even explain how much i adore mamma mia and the brand new sequel starring lily james! Lily james at the mamma mia 2 premiere in london. The actresses caught the eye on the blue cher wore her hair big and an all black outfit for the mamma mia world premiere tonightcredit: Lily james & amanda seyfried join 'mamma mia' sequel cast at sweden premiere!