But once she began to KILL IT and basicaly proved that she is the most talented 12-year-old girl in existence, he realized how wrong he was. Advertisement Tweet Pin It Related Posts Everyone knows that “Defying Gravity” from Wicked is one of the most chilling songs ever. EVER. Period. (If you haven’t heard this song before, where the heck have you been?). And Simon being Simon, made a face that suggested that Beau was going to wish she never opened her mouth. But Beau Dermott’s performance of the song almost puts broadway stars to shame. Don’t believe us? Check her out herself (and be ready for goosebumps).