McDonald will sing "Summertime" while Lewis sings "I Got Plenty of Nothing." The two will duet on "I Loves You Porgy." Both performers will also sit down with Rosie O'Donnell to discuss the musical, which is currently performing at the Richard Rodgers Theatre.

The Rosie Show airs weeknights at 7pm/6pm Central on OWN, The Oprah Winfrey Network.

Click here for more information and The Gershwins' Porgy and Bess tickets.