(JUNE 24, 2014): In a photo taken at Walt Disney World Resort in Lake Buena Vista, Fla., on June 24, 2014, singer Ariana Grande poses with Cinderella and Prince Charming in front of Cinderella Castle in the Magic Kingdom. Also pictured: Disney chefs created a four-tier birthday cake for Grande in Cinderella’s favorite color, Bibbidi Bobbidi Blue. Grande is celebrating her 21st birthday with dozens of family and friends at Walt Disney World. (Chloe Rice, photographer)