Joining Gravitte at the 7:30 PM concert will be Tony nominee Norm Lewis and Tony winner Marc Shaiman.
The All-Star Broadway Holiday Show will also feature the 18-piece Russ Kassoff Orchestra, The Broadway By The Year Chorus and a dance troupe led by Broadway veteran Dana Moore.
Gravitte won the Tony Award in 1989 for her performance in Jerome Robbins' Broadway. She has also appeared on Broadway in Chicago, Ain't Broadway Grand, Les Miserables, Zorba, Blues in the Night, Perfectly Frank and They're Playing Our Song.
The evening, produced by Karen Giombetti, features music direction by Russ Kassoff, staging by Dana Moore and lighting design by Ron Fogel.