DioGuardi is playing an eight-week limited engagement through Oct. 30. Here, the performer talks about her first night of performances and sings a mashup of "Funny Honey" and "Nowadays."
The former "Idol" judge currently shares the stage with Amra-Faye Wright as Velma Kelly, Tony Yazbeck as Billy Flynn, Chris Sullivan as Amos Hart and Carol Woods as Matron "Mama" Morton.
To watch DioGuardi's performance, look below: