If someone knows a thing or two about understudying, it’s Becca Petersen. Her national tour debut was as the female swing on the national tour of Newsies, followed by making her Broadway debut covering Laura Osnes in the new musical Bandstand. She’s spent the last two years as an original company member of Mean Girls, where she covers multiple roles including the leading role of Cady Heron. She joined us in the studio to share her favorite stories from each of these shows, as well as how she keeps her wits about her in what is undoubtedly one of Broadway’s most challenging jobs. Here’s our conversation...