Dollypop, you're thinking of
Maybe the Moon. Babycakes is the fourth "Barbary Lane" book.
I heard rumors a few years ago of it being turned into a film, Mirth, but as far as I know it's not happening any time soon. At this rate, most of the cast is getting too old for their roles.
"How do you like THAT 'misanthropic panache,' Mr. Goldstone?" - PalJoey