The concerts will be held Oct. 14 and Oct. 21 at the jazz club Birdland on West 44th Street. Most tickets start at $250 and include drinks and dinner.
The last time the sister performed together was during a memorable duet at the 1993 Tony Awards. Other guest performers will be Nick Adams, Ann Hampton Callaway, Liz Callaway, Jim Caruso, Kelly King, Brian Stokes Mitchell, Phyllis Newman and Marcia Strassman.
The concerts will benefit the Phyllis Newman Women's Health Initiative and the Dr. Philomena McAndrew Fund of Tower Cancer Research Foundation