Amidst an unprecedented run of award shows, nominations, non-stop travel for holiday performances and a television series taping underway, the star sister duo, Mary Mary’s Erica and Tina Campbell, is regretfully forced to cancel their much anticipated first ever “Have A Mary Mary Christmas Tour” as Erica’s February due date draws near.

The singer has been advised by doctors that she cannot continue working at her current pace without risk of potential premature delivery. After careful consideration, the ladies have determined it is best to cancel the entire tour at this time,...