Starting Friday, July 19, TheaterMania will launch its new video series featuring a day in the life of a Broadway favorite! Our first installment follows Tony nominee, Broadway stud muffin, and Sigourney-Weaver jailbait Billy Magnussen through a day as one of the stars of Christopher Durang's Tony Award-winning play, Vanya and Sonia and Masha and Spike. How does Billy spend his time offstage? Check out the trailer below to get a taste of "A Day With Billy Magnussen: Part 1." And tune in tomorrow for the first episode!