Idina Menzel and Sister Cara Mentzel Sing From Peter Pan

The first Broadway show Idina Menzel and her sister, Cara Mentzel, saw was Peter Pan. In Cara's new book Voice Lessons, she details the profound impact it had on their lives — as well as the relationship between the pair growing up and now as adults. To celebrate its release, the sisters return to Peter Pan for a special duet of "Never Never Land." Watch it below: