Singer Kelly Clarkson has seen her weight fluctuate over the years. The Internet had a great deal to say after she didn't immediately shed the weight after the birth of her daughter in 2014. "I don't obsess about my weight, which is probably one of the reasons why other people have such a problem with it," she told Redbook . In July she responded to a Twitter troll who called her fat by tweeting "and still f***ing awesome." Isaac Brekken/Getty Images

After being called out for her apparent weight gain, Rihanna posted a meme showing rapper Gucci Mane at two different body weights with the caption, "If you can't handle me at my 2007 Gucci Mane you don't deserve me at m 2017 Gucci Mane." Jamie McCarthy/Getty Images North America/Getty Images for The New School

"Modern Family" star Sarah Hyland posted a note on social media to refute speculation she has an eating disorder. The actress said she's been having a health challenge and lost muscle tone as she's been unable to work out. Jason LaVeris/FilmMagic/Getty Images

"Modern Family" star Ariel Winter has taken on those who have body shamed her for everything from the size of her breasts to how she dresses. Jason LaVeris/FilmMagic

Singer Lady Gaga posted a message on her Instagram account regarding comments about her body during her NFL Super Bowl 51 halftime show. "I'm proud of my body and you should be proud of yours too," she wrote. Matt Slocum/AP

"Dancing with the Stars" contestant Amber Rose said she felt body shamed by judge Julianne Hough during her week 3 performance. Rose is shown here with co-host Tom Bergeron and partner Maksim Chmerkovskiy. Eric McCandless/ABC/Getty Images

Some fans have criticized plus-size model Ashley Graham for losing weight after she posted new images on her Instagram account in July. Instagram

Actress Rebel Wilson has gone a step beyond worrying about those who criticize her for her weight: She's found fame playing "Fat Amy" in the "Pitch Perfect" films. But as proud as she is of her look, Wilson told Marie Claire U.K. she doesn't do nude scenes. Jason Merritt/Getty Images

Singer Meghan Trainor pulled the music video for her song "Me Too" after it debuted in May because her waist had been altered to make her appear thinner. Jason Merritt/Getty Images

British model Iskra Lawrence had a creative, and cheeky, response this month to a commenter who called her a "fat cow" on Instagram. She posted a photo of herself wearing lingerie and surrounded by bags of potato chips, followed by a slow-motion Instagram video of her eating a chip and then making an obscene gesture to the camera. Nicholas Hunt/Getty Images

In March, "Prison Break" star Wentworth Miller used a body-shaming meme as an opportunity to educate about depression and suicide. BEHAR ANTHONY/Sipa/AP

Susan Sarandon's cleavage got a lot of attention at the 22nd annual Screen Actors Guild Awards in January. Christopher Polk/Getty Images for Turner

Actress Tia Mowry said in December that she has been the subject of negative comments on Instagram since gaining weight. Questions about whether she is pregnant amount to body-shaming, she said. Albert L. Ortega/Getty Images/FILE

Gigi Hadid is not letting negative comments about her appearance get to her. The model, center, posted an open letter on social media to trolls, saying, "Your mean comments don't make me want to change my body." Randy Brooke/Getty Images for Tommy Hilfiger

Designer, author and former star of "The Hills" Lauren Conrad announced that her website will no longer use terminology associated with body-shaming. Sarah Hummert/Getty Images

In 2013, one critic called actress Melissa McCarthy a "female hippo" in a review of her film "Identity Thief." "We have to stop categorizing and judging women based on their bodies," McCarthy wrote in a recent Instagram post. Mark Davis/Getty Images

Actress Lily James was the subject of some negative chatter after photos surfaced of her as a wasp-waisted Cinderella in early 2015. The actress said she is naturally small, and "I'm so healthy." Kevin Winter/Getty Images

In 2014, actress Emma Stone told USA Today , "I've seen a lot of comments that say, 'Eat a sandwich' or 'She looks sick.' I've been looking at myself in the mirror being mean to myself. I'm not sick. I eat sandwiches." Danny E. Martindale/Getty Images

Actress Jennifer Lawrence has been accused of being overweight and in 2013 told Barbara Walters, "I just think it should be illegal to call somebody fat on TV." Dimitrios Kambouris/Getty Images

Cracks about Kerry Washington being too thin have hit the "Scandal" star, as People reported that she told Essence in 2007 that she has struggled with eating disorders. "I used food as a way to cope. There was a lot of guilt and a lot of shame." TIMOTHY A. CLARY/AFP/Getty Images

Nicole Richie went from Paris Hilton's thicker sidekick to a very thin fashionista. In 2006, she told Vanity Fair , "I know I'm too thin right now, so I wouldn't want any young girl looking at me and saying, 'That's what I want to look like.' " Slaven Vlasic/Getty Images

E!'s Giuliana Rancic told People that a cancer-suppressing drug she has to take after a double mastectomy in 2011 is responsible for her small frame. "I'm sorry that some people think I'm disgustingly skinny, as they put it, but there's nothing I can do. I'm lucky that I even have the type of cancer that reacts to the medicine," she said.

Singer and actress Jessica Simpson seems to alternate between being accused of being too big and too small. Rob Kim/Getty Images

Most women would kill to look like model Kate Upton, but one blogger wrote that the Sports Illustrated cover girl has "Huge thighs, NO waist, big fat floppy boobs, terrible body definition -- she looks like a squishy brick." Larry Busacca/Getty Images

After "Fast & Furious" actress Gal Gadot was cast as Wonder Woman in "Batman v Superman: Dawn of Justice," the Internet immediately started buzzing that she was too skinny for the role. The actress reportedly responded , "I represent the Wonder Women of the new world." Frazer Harrison/Getty Images/File

Women aren't the only ones body-shamed. After friends encouraged actor Val Kilmer to post a photo of his weight loss, he took to Facebook to say, "Can't win in this crazy town. Too heavy for too many years and now gossip says, too thin!"

Actress Keira Knightley once told Elle UK that she has been called "anorexic." Jason Merritt/Getty Images

In April 2015, actress Tara Reid tweeted to the media to "stop bullying" her about her weight, as she says she is a "skinny girl." Michael Kovac/Getty Images