Tomorrow, June 26, Ariana Grande will turn 21 years old, but before she reaches a new milestone in being an adult, she's spending her last few days being a kid at Walt Disney World!

In photos released by Disney, Grande seems to be having a blast as she celebrates at the park. She even tweeted about it yesterday, saying, "having the best birthday trip, sorry I haven't been tweeting too much.. looove to u lovess"

In one photo, she's seen posing with Prince Charming and Cinderella in front of Cinderella's castle in the Magic Kingdom with a beautiful Cinderella-themed birthday cake that says, "Happy 21st Birthday Ariana!"

In another photo, she's seen giving Mickey Mouse a kiss on the cheek while wearing the famous Mouseketeer ears.

Click on the photos below to check out photos from her trip to Walt Disney World. Happy Birthday, Ariana!

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