'Riverdale' Star Lili Reinhart Claps Back at 'Destructive' Trolls Questioning Her 'Body Dysmorphia'
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"You may not understand someone's insecurity -- but respect it," the CW actress tweets.

"Riverdale" star Lili Reinhart wants more people to respect her "body dysmorphia."

The 21-year-old CW actress revealed earlier this week that online trolls were telling her to "shut up" about her insecurities, and explained why those types of comments are "destructive."

"Feeling really disheartened by the fact that so many people are saying 'you’re skinny so shut up about embracing your body,'" she wrote on Twitter Tuesday. "As if my body dysmorphia is irrelevant because of how I look to some people. I'm either not curvy enough or not skinny enough to feel insecure."

"Mental illness gets worse when people say that you don't have a right to feel the way you do," she continued in another tweet. "That's where we are failing. Do not encourage this behavior. It is destructive. More destructive than you’ll ever realize. You may not understand someone's insecurity -- but respect it."

The actress has been very vocal about her struggles with anxiety, depression, body shaming and body dysmorphia. The issues are frequent topics on her social media feeds, where she preaches about body positivity. She broached the subject again earlier this week in a Harpers Bazaar interview, which noted her body image issues started when she was just 16.

"I'm not that flawless image person. I could never live up to that. I'm not going to make people think I'm this airbrushed version of myself," she said. "There are lots of versions of me. My hair looks like shit most of the time. It looks great when I'm on a carpet, sure, but that's not the only side I want people to see of myself."

Reinhart, who struggles with low self esteem, also called out Instagram users' apparent obsession with perfect bodies.

"The most-followed people on Instagram are skinny people who have abs, long legs, silky hair and filled-in eyebrows. But then people really love when I say, 'It’s OK to not have a 24-inch waist and it's OK to have pimples,'" she said. "But those same people are praising the people with images of flawless everything. Which side are you on?"

The same day that interview was published, she tore into trolls in another passionate response to offensive comments.

I will never understand how someone can be so cowardly as to hide behind their phone and tell a stranger that their feelings are irrelevant and considered “whining,” just because they think you represent some ideal figure or shape.

— Lili Reinhart (@lilireinhart) July 3, 2018 View Photos Getty 'Riverdale' Stars Step Out at CW Upfronts