![Walnut Street Theatre på Twitter: Walnut Street Theatre på Twitter:](https://pbs.twimg.com/media/DdRddTyXUAEygVL.jpg)
Walnut Street Theatre på Twitter: "We are Super Trouper excited to begin previews of "Mamma Mia!" tonight! Retweet if you already have your tickets to the show! 🏖️ https://t.co/bO4Z2qkLWy" / Twitter
Abba fan and her 'super trouper' daughters celebrated the Mamma Mia musical returning to London in costumes made specially for the night out
![Mamma Mia 2 stars admit 'I can't sing' in behind-the-scenes footage | Films | Entertainment | Express.co.uk Mamma Mia 2 stars admit 'I can't sing' in behind-the-scenes footage | Films | Entertainment | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/36/750x445/1012869.jpg)