After McPhee, 39, shared on Friday that she and Foster, 73, experienced a "horrible tragedy" in their family, sources tell PEOPLE that 2-year-old son Rennie David's nanny died suddenly.

In desperate need of a helping hand and at the end of her tether, Isabel can't believe her eyes when Nanny McPhee, the extraordinary government nanny, shows up at her front door after the events ...

Rated G. If you saw Yours, Mine and Ours or Cheaper by the Dozen 2 and emerged from the theatre psychologically damaged, Nanny McPhee may be just the medicine you need. You might not realize it ...