Cloris Leachman is PETA's newest spokeswoman.

In her new ad, the 82-year-old former Dancing With the Stars contestant dons just lettuce and cabbage leaves for the campaign "Let Vegetarianism Grow on You."

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"With that big study out last week showing how skipping meat allows you to live longer, it's perfect timing," a PETA rep tells Us.

Leachman, a vegetarian, is donning her edible dress in New York City's Times Square today.

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Shanna Moakler, Paul McCartney and Jenna Jameson have also posed for PETA.