Miles & Piles of Joshua Henry & Cynthia Erivo, Rupert Grint at Harry Potter & Other Magical Hot Shots!
Broadway fave Sierra Boggess can fangirl with the best of 'em! Before jet-setting off to Paris to reprise her role as Christine Daaé in Phantom of the Opera, she had to catch Barbra Streisand at Barclays. No one's raining on her parade!
(Photo: Instagram.com/officialsierraboggess)