How did Ariana Grande celebrate her 21st birthday? Thu-26-Jun-14 18:29 Share this Tell Us What You Think WTF 0 LOL 0 FAIL 0 OMG 0 HOT 0 CUTE 0 By Steph Monks The babe that is Ariana Grande turned 21 today. And to celebrate, her and her mates had a day out at Disney World! She tweeted, 'Spending my last few days as a non 21 year old in one of my favorite childhood places with my favorite people.’ She even dressed in a Minnie Mouse-inspired outfit. spending my last few days as a non 21 year old in one of my favorite childhood places with my favorite people 👩🎂🌌 pic.twitter.com/LOeHSh9YBB— Ariana Grande (@ArianaGrande) June 25, 2014 You May Also Like Ariana Grande gets owned by a Victoria's Secret model Jimmy Fallon and a whole lotta musical superstars nail "We Are The Champions" The top 3 instagram posts of 2014 Become a fan of The Edge on Facebook and on Twitter .