TV audiences know Justin Guarini as the first season runner-up of American Idol, but these days he's taken up with the Broadway crew of American Idiot. As Will, the slacker best friend to musician Johnny, Guarini is heading up the newest cast of Green Day's rock opera. To celebrate his latest Broadway gig, the talented young star will be coming to Broadway.com's video studio to answer reader submitted questions for his very own Ask A Star video feature. Want to know how he bonded with his stage mother Patti LuPone in Women on the Verge of a Nervous Breakdown? How about his favorite songs and concert performances? Ask away!