Marcia? Marcia? Marcia!!!

Apparently Marcia Brady wasn't the goody-two-shoes we all thought she was. Drugs. Sex. Sex-for-drugs. She even almost got it on with her TV brother Greg ... and wanted to with her TV dad. For a girl who managed to get Davy Jones to play her high school prom, Maureen McCormick's had a tough life, and she's telling all in a new book out today.

Thanks for bursting the bubble of my childhood fantasies, Maureen McCormick. Next you're gonna tell me that girls really don't have huge pillow fights at their slumber parties. No, wait, don't tell me.

Read more about Maureen McCormick's past, including why Jan still hates her, and see a video here.