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Amy Schumer went after critics who slammed her potential casting as Barbie in an upcoming live-action film based on the Mattel doll.

Variety reported last week Schumer was in talks to play Barbie and the plot of the movie would involve the character getting kicked out of Barbieland for not being perfect enough and going on an adventure in the real world.

The comedian posted a picture of herself in a swimsuit on Instagram Tuesday. She says those who attempted to fat shame her have failed because she knows she's not fat and has "zero shame" in her game. Schumer says the backlash has made it evident that she's a "great choice" to play "an important and evolving icon."

"Is it fat shaming if you know you're not fat and have zero shame in your game? I don't think so," she wrote on Instagram. "I am strong and proud of how I live my life and say what I mean and fight for what I believe in and I have a blast doing it with the people I love. Where's the shame?"

She also said, "Thanks to everyone for the kind words and support and again my deepest sympathy goes out to the trolls who are in more pain than we will ever understand. I want to thank them for making it so evident that I am a great choice. It's that kind of response that let's you know something's wrong with our culture and we all need to work together to change it. Anyone who has ever been bullied or felt bad about yourself I am out there fighting for you, for us. And I want you to fight for yourself too! We need to laugh at the haters and sympathize with them."

The Associated Press contributed to this report.