Two of the music industry’s hottest acts, Justin Bieber and the Glee cast, hit the White House stage for yesterday’s annual Easter Egg Roll. Thousands of teeny tiny child fans (along with Michelle Obama) shrieked with delight, and some even enjoyed a brush with literary celebrity — Harry Potter author J.K. Rowling, who outshone her tween idol counterparts.

According to the Washington Post, Rowling read from Sorcerer’s Stone and fielded some probing questions. “I’m quite sure in the not-too-distant future, I will bring out another book,” she said. Rowling did not rule out the possibility of another Potter-themed novel somewhere down the line.

Also reading to the Easter Egg Roll’s captive audience were Olympian Apolo Anton Ohno (with a dramatic and dynamic rendition of “Green Eggs and Ham“) and Yo Gabba Gabba‘s DJ Lance, with the timely “Duck! Rabbit!