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Rihanna, Justin Bieber, Miley Cyrus

GADE/AKM-GSI, shots.com; Vevo

Keep calm and take off your clothes—it's National Nude Day!

Celebrate your naked body and show it some love today by stripping down and strutting your stuff in the warm summer weather!

But... 

If that's not quite your cup of tea, just appreciate pics of your favorite nude celebrities instead. Stars like Rihanna, Miranda Kerr and Miley Cyrus have all embraced their marvelous natural forms by doffing their shirts, pants and bras!

Here is a list of 11 naked (or nearly naked) memorable celebrity moments! Enjoy!

Rihanna, CFDA

Dimitrios Kambouris/Getty Images

1. Rihanna

Whoa! The pop star caused quite a commotion when she bared her nipples and her G-string in this ultra-sexy, custom-made Adam Selman design at the 2014 CFDA Awards.

Miley Cyrus, Wrecking Ball

Vevo

2. Miley Cyrus

The singer stripped down to her birthday suit and straddled a wrecking ball in the now-infamous music video for the second single off her Bangerz album.

Justin Bieber

shots.com

3. Justin Bieber

We already knew that the "Baby" crooner enjoyed going shirtless, but he took it to a whole other level when he shared this almost-there pic on his Shots account, which he simply captioned, "Night."

Kendall Jenner, Instagram

Instagram

4. Kendall Jenner

The 18-year-old is all grown up! The fashion model exposed her nipples in this wet and racy black-and-white photo, which she posted on her Instagram.

Miranda Kerr, Interview Magazine

Fabien Baron/Interview

5. Miranda Kerr

Damn! The supermodel let it all hang out during a photo shoot for Interview magazine, wearing nothing but a fur throw and a pearl thong. 

Rihanna, Lui Magazine

Lui

6. Rihanna, again

RiRi went completely topless, showing her boobs and her nipple rings in this NSFW Lui magazine cover shoot, which possibly got her banned from Instagram.

PHOTOS: Most naked TV shows

James Franco, Instagram

Instagram

7. James Franco

We're not sure what the Spring Breakers actor was thinking when he shared this nearly-nude selfie on Instagram, with his hand suggestively in his boxer briefs. 

Chrissy Teigen, John Legend

www.nabil.com

8. John Legend & Chrissy Teigen

The adorable lovebirds gave us all a glimpse into their romantic relationship, stripping down between the sheets for the R&B artist's "All of Me" music video.

Gisele Bundchen, Lui Magazine

Lui

9. Gisele Bündchen

The Brazilian beauty has still got it! The mother of two flaunted her flawless, naked physique and got a little wet on the cover of Lui magazine.

Janet Jackson, Justin Timberlake, Nipple

Kevin Mazur/WireImage.com

10. Janet Jackson

Of course, we had to throw it back to the 2004 Super Bowl and Janet's unforgettable wardrobe malfunction. It was nipple heard around the world!

Rihanna

GADE/AKM-GSI

11. And...Rihanna, once more

Honestly, the 26-year-old could make this list singlehandedly because of all of her naked antics. This time, she goes topless on the beach, donning high-waisted bottoms and nude nipple pasties.