Enter the Pinkberry Mamma Mia! Here We Go Again Sweepstakes by July 6, 2018, for your chance to win a trip for two to London, England. This prize includes round-trip airfare for two; a two-night stay in a hotel; and two tickets to attend the Mamma Mia! Here We Go Again premiere screening! Two other lucky winners shall each receive a $50 Pinkberry Gift Card. Enter today for your chance to win! Good luck!