"Happy 21st birthday to the most colorful and bubbly personality in the entertainment industry, JoJo Siwa! 🎂🎉 Wow, it's hard to believe that our favorite bow-loving queen is officially legal. It's time to put on your dancing shoes and celebrate all the amazing memories you've already made in just 21 years. May your big day be as fabulously sparkly and fun as you are. Here's to many more years of being true to you and spreading positivity wherever you go. Cheers to you, birthday girl! 🎈🎁 #BowsOverBirthdays #JoJoSiwaTurns21 #PartyLikeItsYourUnicorn #ConfettiEverywhere"