Charlie Sheen's twins being cared for by Lisa Rinna's nanny

Charlie Sheen and his wife Brooke Mueller are both in rehab. And no, not in adjoining rooms. They're reportedly in different rehabs.

So who's minding their twin babies, Bob and Max?

Lisa Rinna Tweeted Tuesday (Feb. 23): "the sheen babies r being well taken care of by our beloved nanny that was with us for 6 yrs. she is a god send."