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). Advertisement Tweet Pin It Related Posts And Simon being Simon, made a face that suggested that Beau was going to wish she never opened her mouth. Check out the reactions of these little girls in the audience. They knew they were in the presence of something special. 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?).