There's no better place to spend your birthday than at the happiest place on Earth! And that's precisely what Ariana Grande did to ring in her 21st birthday yesterday. The pop star shared several photos of her special trip to Disney World on Instagram and Twitter, showing her with an adorable set of Minnie Mouse ears and posing in front of Cinderella's castle. Grande is shown posing next to Prince Charming and several other Disney characters next to a massive 5-tiered blue birthday cake.
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