PETA was on her tail immediately.

“When your lobster brings its own side of butter ,” Cynthia joked in the caption.

just leave them off your plate and where they belong in the sea."

Cynthia Nixon poses at an event, wearing a sleeveless, black and white striped dress with a sequined pattern

Elizabeth Reaser in casual attire, eating from a can, and Cynthia Nixon in a floral dress, sitting on a talk show set

Cynthia Nixon wears a collared shirt and bold round earrings while giving a slight smile, featured in a close-up shot

PETA's Instagram comment states lobsters, like dogs, cats, and humans, feel pain. They advocate not eating lobsters

Instagram comment by crueltyfreequeenbee: "Lobsters are sentient beings and they are alive when they are boiled. Super cruel." Broken heart emoji, 547 likes

A social media comment by floraamalie stating, "Animal cruelty isn’t funny," with 408 likes

Instagram comment by ashlovesmongo: "This is heartless, clueless, and makes you look incredibly out of touch. I’m sad for the lobster and embarrassed for you." It has 98 likes

A comment from user riasquit428 says, "Oh please all of you animal activists… Leave her alone. Millions of us eat lobster, steak etc and therefore don’t give 2 **** what you think."

Comment from ilaria.irene: "I love you Cynthia, but posing with the corpse of sentient being is not cool at all. He/she just wanted to live…" with 415 likes