Wow! All our performances of Once Upon a Mattress are SOLD OUT! 😱✨ But don't fret, fairytale fans! Join us for the extra performance on March 29th at 2 PM ! 👑 www.heaproductions.nl/onceuponamat... #OnceUponAMattress #AmsterdamTheatre #HapillyEverAfter #AmsterdamTheatre