Did you expect Lindsay Lohan, fresh from jail and rehab, to lash out against yesterday's reports that she'd tested positive for cocaine in a recent drug test?

Did you predict her lawyer would issue a statement insisting that the actress was being wrongly accused?

Did you even wonder whether the news was somehow incorrect?

Well, think again.

The 24-year-old 'Machete' star (who, just last weekend, poked fun at her substance abuse problem on the VMA's) took to Twitter overnight and made no bones about it: She flunked her latest court-ordered drug test.

Check out her series of messages here, and read on to learn just which usual suspect her dear old dad, Michael Lohan, blames.