I recently told you that Mary sources were saying that that Kendu (who is the head of Mary’s MATRIARCH RECORDS) and Laneah have a “very strong” personal and professional relationship, and Mary suspects that there could be something MORE.  Well, MJB was spotted with her husband’s Kendu alleged  jumpoff  at the Grammys after party.

Is this why Mary slapped her husband?

Take a look:

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MJB goes in on her band at pre-Grammy bash

Check out MJB’s Grammy performance here