Odds & Ends: Idina Menzel's Sister Is Writing a Book About Their Relationship, Spamilton Celebrates One Year Off-Broadway & More
Idina Menzel's Sister Is Writing a Book About Their Relationship Cara Mentzel, little sister of Wicked Tony winner Idina Menzel, is at work on a new book about their sibling bond! Voice Lessons: A Sisters Story is set for publication by St. Martin's Press on October 10. "My big sister is Tony Award-Winning, Gravity-Defying, Let-It-Go-Singing Idina Menzel who has received top billing on Bro…