Jenna Leigh Green is an American actress and singer best known for her performances as Libby Chessler on the television show Sabrina the Teenage Witch, as well as for roles on tour in the musical Wicked and later in the Broadway production.

Wicked is a musical with music and lyrics by Stephen Schwartz and a book by Winnie Holzman. It is a loose adaptation of the 1995 Gregory Maguire novel Wicked: The Life and Times of the Wicked Witch of the West, which is in turn based on L. Frank Baum's 1900 novel The Wonderful Wizard of Oz and its 1939 Metro-Goldwyn-Mayer film adaptation.