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Yesterday marked the first annual #BumpDay -- an occasion to raise awareness about maternal and infant health around the world.

What to Expect When You're Expecting author Heidi Murkoff teamed up with WhatToExpect.com, International Medical Corps, 1,000 Days, and the United Nations Foundation to establish this awareness day, she explains in a blog post about the initiative. 

"Big bumps, little bumps, high bumps, low bumps, pierced bumps, tattooed bumps, covered bumps, bare bumps. Bumps of every shape, size, and color -- each, like the baby inside, one of a kind," she writes, inviting anyone and everyone to post a photo of "your bump or a bump you love" on their social media accounts with the hashtag #BumpDay.

On July 22, over 49,000 Instagram users did just that. Here's a small sample of the many #BumpDay images that helped bring maternal and infant health to the forefront of the public consciousness.

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Kate Hudson made a stunning appearance at the Leonardo DiCaprio Foundation Gala in Saint Tropez Wednesday. 

The actress donned a sparkling black gown with a cutout bodice and sheer skirt for the lavish event held at the Domaine Bertaud Belieu vineyard. She posed for photos in the courtyard during the cocktail reception. 

Other stars in attendance included Irina Shayk, Orlando Bloom, Michelle Rodriguez and Nina Dobrev. 

Hudson shared a photo on Instagram from the night, posing with a group of gorgeous ladies including Dobrev and Rodriguez.

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Paris Hilton made a triumphant and foamy return to Ibiza. 

The socialite-turned-DJ landed in Ibiza for her weekly summer residency, which runs through September, and kicked things off at Amnesia's Foam & Diamonds party Saturday. Hilton wore a bejeweled bikini for the bash and shared photos on her Instagram Wednesday. 

Hilton's Saturday gig, which lasted until 7:30 am, was apparently the biggest money-maker of the season thus far, according to TMZ. She is reportedly getting paid $300,000 per show.  

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Cindy Crawford has one good looking family!  

The supermodel shared a photo on Instagram Wednesday, featuring herself alongside her husband, Rande Gerber, and their two children, Presley and Kaia. It's like one of those photos that comes in a frame -- so perfect you want to leave it in there, tricking people into thinking it's your own friends and family. (Or is that just something we do?)

Crawford, 49, and her family are currently enjoying a lakeside vacation, as evidenced by the many photos she's posted online (including one of her gorgeous look-alike daughter wearing a "Cindy Crawford" T-shirt). 

Wish we were there. 

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Miley Cyrus' best friend Leslie would probably have something to say about this.

A day after her public display of armpit waxing, Cyrus, 22, showed off her new look in some risqué photos posted to her Instagram. The "Bangerz" singer struck a naked pose on the beach, covering up her non-Instagrammable parts with some do-it-yourself Photoshop. Describing herself as a "#turntmermaid," Cyrus also shared her mantra: "Stay fun or be lame."

The "Free the Nipple" supporter shared another snap of her topless form, this time leaning out the front seat of a car ("the norm at 10:30am"). Those concerned with Cyrus' sense of propriety needn't worry: She covered herself with two small clip-art bears.

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On Thursday, after Taylor Swift got her first taste of what it feels like to be on the wrong side of the Internet for half a second, the pop star apologized for starting drama with Nicki Minaj over Twitter on Tuesday. 

Swift thought Minaj's beef with MTV was somehow directed at her after the rapper took issue with the fact that "Anaconda" failed to garner nominations for Video of the Year and in the professional category of Best Choreography. Minaj was also unclear as to how her and Beyoncé's song, "Feeling Myself," failed to be nominated for anything.  

When Minaj tweeted, "If your video celebrates women with very slim bodies, you will be nominated for vid of the year,"  Swift seemed to think that the rapper was talking about her "Bad Blood" video, which received nominations for Video of the Year -- and happens to feature a ton of supermodels. 

"@NICKIMINAJ I've done nothing but love & support you. It's unlike you to pit women against each other. Maybe one of the men took your slot.." Swift ever-so-misguidedly tweeted. 

Minaj responded by retweeting a fan who wrote, "@taylorswift13 stop using 'support all girls' as an excuse to not be critical of racist media that benefits and glorifies you." 

 After Swift's apology, it seems like she gets that now.

Update: Swift has been forgiven. 

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Sea sapphires live by a "now you see 'em, now you don't" mantra. But when they do make an appearance, they're the crown jewel of the undersea world.

The iridescent creatures -- scientifically known as Sapphirina copepods -- can appear in hues ranging from fluorescent blue, like the little guy above, to bright gold. Researchers have long wondered how the copepods pull off the Houdini act, in which they go from bright, leaf-shaped swimmers one moment before a quick turn renders them nearly invisible.

But members of Israel's Weizmann Institute of Science have finally discovered the secret: "alternating layers of hexagonal-shaped guanine crystals and cytoplasm," according to a study they published last month in the Journal of the American Chemical Society.

In layman's terms, this means the copepods have honeycomb-shaped layers of fluid-filled "crystals," which also contribute to the sheen seen on fish scales. When the sea sapphires move, the angle of light produces a colorful reflective effect, with different-sized crystal layers in different species resulting in a variety of hues.

As New Scientist notes, the sea sapphire in the video above seems to disappear when it tilts to an angle of 45 degrees away from the sun. This causes the reflected light to "slip into the ultraviolet spectrum," which is invisible to humans.

The researchers who conducted the study did not respond to a request for comment. 

Another surprising find? Only males display the unusual effect -- female sea sapphires are exclusively translucent, meaning they're rarely, if ever, visible to the human eye.

“An intriguing question that still remains is whether the differences in color are genetic and each male is born with a defined color, or whether they can control the reflected color,” Lia Addadi, a co-author of the study, told New Scientist. 

Wired UK notes that the application of the discovery could aid biomimicry research, including the pursuit of the elusive invisibility cloak.

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Britney Spears is the latest celebrity to jump on the rainbow hair bandwagon. 

The 33-year-old icon debuted her new lavender dip-dyed locks while out and about in California on Wednesday. The mini hair makeover adds just a little pop of color to her honey blond mane. 

Us Weekly shared a snap of the "Pretty Girls" singer's new look on Twitter: 

This isn't the first time Brit Brit's changed things up in the hair department -- she's experimented with wigs in the past and even rocked pink and blue tips at the same time. The "Toxic" singer is one of the many celebs who've tried out the trend for themselves.

Just last week, Jenny McCarthy debuted hot pink tresses and, before her, Kelly Ripa went "superhero" blue. Then there's Nicole Richie, who's tried every color of the rainbow, and of course, Katy Perry and Nicki Minaj, who've both also given candy-colored hair a whole lotta love. 

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You might not be old enough to remember the hairstyles of the 1970s, but a big part of the era is coming back: perms.

Okay, they're not really coming back yet, but the fellows at BuzzFeed video are spearheading the initiative. At the reveal, they look a little like they were interns during the Constitutional Convention. Not sure if you're into the British judge look.

Hey, we thought beards were out for a while, and now every man, woman and child has a lush, beautiful beard. This might be next.

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GET READY, GET SET, BID!!!
(Click on Pic for More Info and Auction Links)

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Women's bodies are scrutinized at every shape and size. Society's skewed standards of beauty can lead women to believe they're never skinny enough, never pretty enough, never perfect enough.

Simone Pretscherer, a makeup artist from New Zealand, had enough of being told that she wasn't enough. So when she received negative feedback about her body, she decided to push back against the haters.

For the past 11 months, Pretscherer has been publicly documenting her weight loss. On the Facebook page for what she calls "Simone's Journey to Health," Pretscherer talks about her lifelong battle with her body. "I have always struggled with my weight," she writes, "and have often resorted to easy fix diets where I would loose a lot of weight but as quickly as I lost it I would gain it back."

After 8 weeks of maintaining healthier habits, Pretscherer had gastric sleeve surgery, which has enabled her to lose 188 pounds since last August. Pretscherer recently posted a before and after selfie to Instagram documenting her weight loss. And here is where the trolls felt the need to weigh in, accusing Pretscherer of faking the "after" photo.

On Instagram, Pretscherer wrote that she was "hurt" by these accusations. But she decided to knock down the haters by posting another photo -- and showing more skin. Since dramatic weight loss is often accompanied by excess skin that can usually only be removed through surgery, it's refreshing to see more women refusing to be ashamed of their bodies.

"I hope this helps all the 'non believers,'" Pretscherer wrote in the caption, "my face uncovered, yes my hair and eyebrows are a different colour as I'm going back to blonde, yes I have changed my phone from Samsung to apple...yes I have lose skin and stretch marks but I don't feel the need to show them in every single photo I post online...GO ME!"

Oh hell yes. Go Simone.

This article has been updated to include additional information about Pretscherer's surgical procedure.

H/T: Bustle

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Mom and photographer Jesse Holland has spent the past year working on a creative project that stars her toddler daughter and their pet dog.

Titled "Handfuls Of Trouble," the project is a photo series of side-by-side pictures of 2-year-old Ella and 5-year-old French Bulldog/Boston terrier mix Charlie. In each pair of photos, the toddler and dog pose with the same props and against the same backdrops, allowing for a hilarious comparison. 

Holland told The Huffington Post that she was inspired to create this project after she received an owl hat from her parents as a present for Ella last year. "It was cute on her, and I thought I would see what our dog, Charlie, looked like with it on," she said, adding. "He was NOT impressed with it, but I was on the floor laughing at his sad reaction, so I took a couple photos on my iPhone of each of them." 

The next day, the mom found an old pair of glasses and again photographed both her daughter and dog wearing them. "At the time, the dog and the kid were almost the same size, so it seemed like a natural fit to keep comparing them," she said. 

From there, the project snowballed. Holland consistently posts new side-by-side photos on a dedicated Tumblr, as well as her own personal Instagram, where she recently finished participating in Elle Luna's #The100DayProject (adding her own hashtag, #100DaysOfTrouble)

Taking each photo doesn't require more than a few minutes of shooting and occasionally some of additional time for preparation, Holland said. While Charlie is usually cooperative, toddler Ella sometimes "has her own agenda" about what she wants to be doing during picture-taking time -- "which is fair enough," the mom said.

 "I will keep up the project as long as they are relatively the same size, or when I run out of ideas," she added. All in all, Holland hopes that other people will be entertained by the photos, but the target audience is herself and her relatives. "Mostly I have done these for my own amusement and to keep my family -- who all live in another country from me -- updated with photos of my kid."

H/T BoredPanda

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Of all Jennifer Lopez's former love interests, none have caused quite as much of a stir as her beloved velour track suits.

The multi-talented star spent a solid portion of the early 2000s enthralled in a whirlwind romance with the signature set, which came complete with curve-hugging sweatpants and just the right amount of bare midriff. 

In honor of Lopez's 46th birthday on July 24, we invite you to revisit this era in all its matchy-matchy glory. Check out the video for a walk down memory lane.

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Whenever "pink eye" is the topic of discussion, chances are it has absolutely nothing to do with makeup. But Ashley Benson has reminded us just how flattering this hue can be when purposefully worn on the face.

The "Pretty Little Liars" star attended the New York City premiere of "Pixels" sporting pink eye makeup. The shimmering finish added warmth to her milky complexion, while the subtle winged effect made her blue eyes appear bigger. 

The pink eyeshadow matched Benson's lipstick perfectly, and the look worked because she kept the rest of her makeup simple.

Get a close-up view of Ashley Benson's pink eye makeup look below, and see which other stars made our best beauty list this week.

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