Kira Kosarin is known best as the happy-go-lucky Phoebe Thunderman on The Thundermans. But when she isn't battling her superhero twin brother in a war of good versus evil, she's spreading her cheer to the real world! In fact, it's her bubbly personality that makes her a Hollywood shoe-in. And she's no rookie. Kira has starred in tons of movie shorts and even nabbed a guest spot on the show Shake It Up. Sounds like Kira's taking her superstardom up, UP, and AWAY!