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Chrissy Teigen -

Teigen has been very candid about her period on numerous occasions. If you follow her on social media, you've probably came across some of her posts about it. In 2019, she tweeted, "I am either pms'ing or on my period. nothing else. that is my cycle."

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Chrissy Teigen -

Not to mention a video Teigen posted on Twitter, showing how her period affects her skin. Needless to say, many women could relate!

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Kate Winslet -

The actress opened up about how hard it was to shoot some scenes in 'Titanic' (1997) while she was on her period.

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Kate Winslet -

"There were days when you’d just think, 'Oh, my God, I’ve got my period and I can’t get in that freezing-cold water today.' I remember standing up and saying to everyone, 'Listen, if it suddenly looks like 'Jaws,' the movie, it’s my fault'," she explained.

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Jane Fonda -

The actress recalls the time when she had her first period and the advice her stepmother gave her.

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Jane Fonda - According to Fonda, her stepmom told her: "You are now a mature, physically mature woman and could get pregnant. I don’t want you to be sexually active. You need to go and see an OBGYN now and what goes on between you is confidential. So you can share any of your concerns with him."

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Tina Fey - The actress and comedian got her her first period while she was singing in a choir. Fey was 10 years old.

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Tina Fey - Despite having read a pamphlet about it, Fey still questioned her mother about the fact that she was bleeding...because she was convinced that her period would be a blue liquid!

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Miley Cyrus -

Cyrus not only had her first period on set, while shooting 'Hannah Montana,' but she was also wearing white pants!

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Miley Cyrus -

"It was so embarrassing. I couldn't leave. And I was crying, begging my mom, 'You're going to have to put the tampon in. I have to be on set'," she recalled.

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Demi Lovato -

The singer recalls how embarrassing it was for them when they had their first period. Mainly because of their family's reaction. "My sister folded a poster board in half and made a card out of it and drew pictures, and it said, 'Happy Period Day!' She drew stick figures and kisses, and she used red markers," Lovato explained.

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Demi Lovato -

Though Lovato didn't take it too seriously. "I have a pretty good sense of humor, so on one hand, I was totally embarrassed, and on the other, I thought it was awesome."

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Jennifer Lawrence -

The actress confessed that she had to change her dress for the 2016 Golden Globes because of her period.

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Jennifer Lawrence -

"Plan A was a dress that I couldn’t wear because awards season is synced with my menstrual cycle, and it has been for years," the actress explained. Lawrence ended up going with the Plan B dress because "it was loose at the front. And I didn't have to worry about sucking anything in. The other dress was really tight, and I'm not going to suck in my uterus. I don't have to do that."

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Serena Williams -

The tennis star confessed that she had a cycle just before she found out she was pregnant, so the big news came as a surprise.

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Serena Williams -

"I was surprised when I saw the result and even more surprised when the doctor said I was seven weeks along," said Williams.

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Courteney Cox -

The 'Friends' star made a Tampax commercial back in the '80s. "I'm the first girl to say the word 'period' on television," Cox said.

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Jameela Jamil -

The body positivity activist and actress has no problem in talking openly about menstruation.

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Jameela Jamil -

"I've got spots today because my period is due next week," she said during an interview. "I'm fine with the fact those might show up in the photoshoot," Jamil added.

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Jessie J -

The singer supported Action Aid's campaign to put an end to period poverty and revealed that she struggled with heavy and painful periods growing up.

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Jessie J -

"Know every woman's body is different and deals with pain, cramps, bleeding differently. So work out what is best for you," she advised.

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Gigi Hadid -

Kendall Jenner posted a video on Instagram where Gigi Hadid opens up to her. "My boobs are small right now. They get really big when it's, like, that time of the month," Hadid said.

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Dakota Johnson -

The 'Fifty Shades' actress has a rough time every month. "Every time, I'm totally scandalized about what happens to my body and my brain. My boobs are like eight times the size they normally are. It's really a traumatic thing, and it happens every month," she said.

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Janelle Monáe -

The singer took to Twitter multiple times to share her thoughts on the matter. "It's sad that there are prob folks more grossed out by and/or ashamed of menstrual period blood than they are the current administration," Monáe tweeted while Donald Trump was still president.

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Mindy Kaling -

The actress and screenwriter had her first period in ninth grade, but was ashamed of not having it earlier. "I spent all of eighth grade faking that I had my period, down to sticking Kotex in my underwear in case anyone needed proof," she said.

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Mindy Kaling -

Kaling also wrote an essay directed at teens that touched on the subject. "Your bodies develop so much faster now. Thanks to genetic modification and hormone injections, the meat that's around now is basically making you all into Marvel Comics mutants. You get your periods at what, like 8? You have double-D boobs at 9? How cool is that?" she wrote.

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Katy Perry -

Back in 2010, the singer shut down pregnancy speculations on Twitter by making reference to her period. "ur gonna make me cry, maybe that's my period tho. THAT'S RIGHT I'M BLEEDING. Face. Better luck next month peepz," she tweeted.

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Lily Allen -

Lily Allen is proud of her song 'Sheezus,' which mentions the word "period." The singer called it groundbreaking. "I'm proud of that. It's f*****g awesome," she said. 

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Lily Allen -

Though Allen also believed this was one of the reasons why the song wasn't a single. The song "got the word 'period' in it, which is really offensive to people, even though half the world has to deal with it once a month," she shared.

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Sophie Turner -

The 'Game of Thrones' actress was pictured crying and took to Twitter to explain the photo. "Lol. Thank god I have a loving fiancé. Periods are a b**ch," she wrote.

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Whoopi Goldberg -

During a conversation with a friend, about famous people launching marijuana lines, the actress asked if anyone was doing a menstrual line. "They called it a niche market. But the niche market is half the population on Earth," Goldberg said.

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Amy Schumer -

When asked about what she was wearing during the 2016 Emmys, Schumer replied: ""Vivienne Westwood, Tom Ford shoes and an OB Tampon."

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Amy Schumer -

The actress also opened up about her struggles with PMS. "I need a lot of alone time. Right now I'm getting my period, and I just don't like [my boyfriend], you know? My PMS is no joke … And it’s directed only toward him, but instead of being in denial about that, we try to work with it. Tonight's vibe is 'I don't want you to even look at me or talk to me,' and ... he's understanding. He's too good about it. It actually annoys me," Schumer said.

Sources: (Cosmopolitan) (Women's Health)(People)

See also: Celebs open up about their struggles with endometriosis

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