Well, actually, current BB house guest Lydia is Beatrice McCartney's nanny. She's been dropping hints like crazy on the Live Feed this week, including answering the question "Who is the most important person alive?" with

"Heather Mills."



She was pissed when her fellow cast mates immediately began insulting Mills.

Here's a paparazzi shot of Lydia with Beatrice in January 2009.

Big Brother Contestant Is Heather Mills' NannyS

And here she is again, with Heather Mills, on the way to an October 2007 Good Morning America interview.

Big Brother Contestant Is Heather Mills' Nanny

In other BB news:
Natalie is a republican and she doesn't believe that police work should be done by women.

Earlier: Which Celeb Couple Did Big Brother Houseguest Nanny For?