The Sports Illustrated model addressed commenters on Saturday who called her "fat" in photos from the magazine's newest swimsuit issue.
"Woow. I got some nasty comments about me being fat," tweeted Palvin, 22, who is up for SI's Rookie of the Year award. "Well I am not as skinny as I was when I was 18. But I don't consider myself fat!"
After the Hungarian model finished off her tweet with a peace sign emoticon, many fans came to Palvin's defense.
"You're such a role model to me. Thank you for existing and being yourself, you're perfect the way you are," tweeted one user.
"If you're 'fat' I wish I was fat too," tweeted another.
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"I think that the industry has for a while been stuck. Beauty is subjective. Beauty is not one size fits all. Beauty varies from decade to decade, from country to country, from state to state," said Day. "This is a platform to really celebrate that and remind people of that."