When a recent paparazzi shot of Lindsay Lohan showed mysterious white powder spilling out of her heels, late night comedian George Lopez made a joke about the actress using baby powder to loosen her tight shoes. Lohan was not amused.

Using her Twitter account, the actress struck back, "Thanks for the childish comment regarding baby powder in my shoes to loosen up the leather. Don’t you have kids? U wouldn’t wanna hear that about them, or would you? Act like a grown man, have some respect and dignity for

The Mean Girls star seems to be in no mood for barbs made at her expense lately. Notoriously known for unlady-like pictures and a very public DUI, the 23-year-old actress is suing E-trade after an ad for the financial company featured a "milk-a-holic" baby named Lindsay. Coincidence? She thinks not! –KRIS ALCANTARA

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