So what's it really like when Denise Van Outen arrives at your school and tells you that you are going to perform in a West End school musical?
The kids of Kingsmead have gone from being high school students to West End stars in a matter of weeks.
With intensive rehearsals filling up their days we wanted to know what the cast get up to when they have a rare moment to themselves.
Sky1 gave a video camera to stars of Hairspray: The School Musical, Saadet, Kadyn and Lily to see exactly what happens when the big cameras are switched off!
