Posted on Tue Mar 6th, 2012 9:05am PDT
Zac Efron appeared on Conan last night, and while he doesn't talk about the infamous red carpet condom incident, he did reveal some secrets from his past. Zac is a self-professed "nerd" who was obsessed with musical theater as a kid, and he admits that he hasn't always been great with the ladies!
The 24-year-old actor also performed a live a cappella version of the Beach Boys' hit “Barbara Ann,” with Conan -- check out the video above!
Stories from around the Web