Alicia Keys strips down to her birthday suit to celebrate turning 36

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Alicia Keys is stripping down to celebrate her birthday!

In honor of turning 36 on Wednesday, the GRAMMY winner gave a peak at her birthday suit while teasing a new song on Instagram.

"That's what's up #NewSong #NewVideoAlert#BirthdaySong! #gratitude! Feeling so grateful today!," Keys captioned a video of herself stepping into a bathtub along with a snippet of her new song, "That's What's Up."

RELATED: Alicia Keys and Swizz Beatz's Son Shows Off His First Song and Impressive Piano Skills

Keys also received a sweet birthday shout-out from her husband, Swizz Beatz.

The 38-year-old music producer posted a black-and-white photo collage of Keys, along with another stunning shot of her standing on a beach in a red outfit and colorful head wrap.

23 PHOTOS
Alicia Keys through the years
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Alicia Keys through the years
Portrait of singer Alicia Keys, New York, 2001. (Photo by Anthony Barboza/Getty Images)
Alicia Keys (Photo by SGranitz/WireImage for The Recording Academy)
Alicia Keys, winner of multiple NAACP Image awards, including Outstanding Female Artist (Photo by Jason Merritt/FilmMagic)
Eli Harris and Alicia Keys at the Lower East Side in New York, New York (Photo by James Devaney/WireImage)
WASHINGTON - JANUARY 20: Alicia Keys performs during the Neighborhood Inaugural Ball on January 20, 2009 in Washington, DC. President Barack Obama is hosting ten Inaugural Balls this eveing. Obama was sworn in as the 44th President of the United States today, becoming the first African-American to be elected President of the US. (Photo by Win McNamee/Getty Images)
PARIS, FRANCE - MARCH 06: Alicia Keys attends the Chanel Ready-To-Wear Fall/Winter 2012 show as part of Paris Fashion Week at Grand Palais on March 6, 2012 in Paris, France. (Photo by Tony Barson/WireImage)
WASHINGTON, DC - APRIL 28: Alicia Keys attends the 98th Annual White House Correspondents' Association Dinner at the Washington Hilton on April 28, 2012 in Washington, DC. (Photo by Stephen Lovekin/Getty Images)
(Monica Schipper via Getty Images)
US singer Alicia Keys performs during the 13th music festival Mawazine in Rabat on June 7, 2014. AFP PHOTO / FADEL SENNA (Photo credit should read FADEL SENNA/AFP/Getty Images)
NEW YORK, NY - NOVEMBER 03: Alicia Keys and Swizz Beats attend the 8th annual Keep A Child Alive Black Ball at the Hammerstein Ballroom on November 3, 2011 in New York City. (Photo by Dimitrios Kambouris/Getty Images)
Swizz Beats and Alicia Keys attend 'Alexander McQueen: Savage Beauty' Costume Institute Gala on April 2, 2011 at the Metropolitan Museum of Art in New York City.
NEW YORK, NY - SEPTEMBER 26: Swizz Beats and Alicia Keys attend the screening of 'Five' at Skylight SOHO on September 26, 2011 in New York City. (Photo by Dimitrios Kambouris/WireImage)
NEW YORK, NY - DECEMBER 13: (L-R) Alicia Keys and Swizz Beatz peform at Webster Hall on December 13, 2012 in New York City. (Photo by Johnny Nunez/WireImage)
NEW ORLEANS, LA - JULY 04: Alicia Keys attends the 2014 Essence Music Festival on July 4, 2014 in New Orleans, Louisiana. (Photo by Johnny Nunez/WireImage)
RABAT, MOROCCO - JUNE 7: American singer Alicia Keys performs during the last day of 13th Mawazine Music Festival on 7 June, 2014. (Photo by Mustapha Houbais/Anadolu Agency/Getty Images)
GLASGOW, SCOTLAND - NOVEMBER 09: Alicia Keys performs during the outside broadcast of the MTV EMA's 2014 at on November 9, 2014 in Glasgow, Scotland. (Photo by Shirlaine Forrest/Getty Images for MTV)
LOS ANGELES, CA - FEBRUARY 27: Singer Alicia Keys arrives at Unite4good And Variety Host 1st Annual Unite4:humanity Event on February 27, 2014 in Los Angeles, California. (Photo by Jon Kopaloff/FilmMagic)
NEW YORK, NY - APRIL 24: Singer/songwriter Alicia Keys attends the 'The Amazing Spider-Man 2' New York Premiere on April 24, 2014 in New York City. (Photo by Jim Spellman/WireImage)
NEW YORK, NY - OCTOBER 30: (Exclusive Coverage) Alicia Keys and Swizz Beatz speak onstage during Keep A Child Alive's 11th Annual Black Ball at Hammerstein Ballroom on October 30, 2014 in New York City. (Photo by Kevin Mazur/Child2014/WireImage)
NEW YORK, NY - APRIL 04: Singer Alicia Keys attends the 2014 DVF Awards on April 4, 2014 in New York City. (Photo by Andrew Toth/Getty Images)
NEW YORK, NY - NOVEMBER 12: (EXCLUSIVE COVERAGE) Alicia Keys' 'Blue Moon: From The Journals Of Mama Mae & LeeLee' Book Release at Barnes & Noble Tribeca on November 12, 2014 in New York City. (Photo by John Lamparski/Getty Images)
NEW YORK - DECEMBER 7: Alicia Keys appears on CBS This Morning with Norah O'Donnell, Charlie Rose and Gayle King on Monday, Dec. 7, 2015 for the CBS Television Network. (Photo by Heather Wines/CBS via Getty Images)
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"I wish you many more days of shining in your greatness," he captioned the gorgeous makeup-free snap.

Kerry Washington even joined the birthday celebration by Instagramming a photo of Keys on the cover of Allure's February issue with the caption, "#womancrushwedensday and a huge HAPPY BIRTHDAY to my Aquarius sister girl, the gorgeous and glorious @aliciakeys."

MORE: Swizz Beatz Defends Wife Alicia Keys' Make-Up Free VMAs Look

Keys and Beatz tied the knot in 2010 and have two sons together, Egypt, 6, and Genesis, 2.

The mother of two, who has been vocal about shunning makeup and building self-confidence, attended the Women's March on Washington on Saturday.

"We will not allow our bodies to be owned and controlled by men in government, or men anywhere for that matter," Keys said in an empowering poem that she shared during the event. "We will not allow our compassionate souls to get stepped on. We want the best for all Americans, no hate, no bigotry, no Muslim registry. We value education, healthcare and quality. We will continue to rise until our voices are heard, until our planet's safety is not deferred, until our bombs stop dropping in other lands, until our dollar is the same dollar as a man's.

RELATED: Celebs who stripped down in 2016:

24 PHOTOS
Celebrity nude shots in 2016
See Gallery
Celebrity nude shots in 2016

There's just too much hotness to handle in this photo ... "Fuller House" star John Stamos flashed his chiseled abs but chose to keep it PG by covering his you know what ...

(Photo: Instagram)

Goodness gracious! Gigi Hadid stripped down to nothing as the sexy covergirl of Vogue Paris.

(Photo: Instagram)

Kylie Jenner wished her beau Tyga a happy birthday with one of the most NSFW couples photo we've ever seen.

(Photo: Instagram)

And Kylie Jenner's racy snap continues with this one ... in which she's covered entirely in blue body paint.

(Photo: Instagram)

Heidi Klum stripped down to nothing but her bikini bottoms while taking a casual dip in the pool. 

(Photo: Instagram)

Alicia Silverstone got naked for a good cause for a PETA ad. The former "Clueless" star's hot body was on full display on a New York City billboard.

(Photo: Instagram)

It's wasn't a complete week in 2016 without a racy snap from Emily Ratajkowski! The "Blurred Lines" video vixen stripped down to nothing in this jaw-dropping photo ... but there's definitely more where that came from.

(Photo: Instagram)

This Kim Kardashian nude photo is pretty self-explanatory ... she captioned this one "#liberated."

One of the most controversial naked pics of 2016 came from Miss Kardashian herself. "When you're like I have nothing to wear LOL," she captioned the snap.

(Photo: Instagram)

Sharon Osbourne was "inspired" by Kim Kardashian to take a racy selfie of her own!

(Photo: Instagram)

Sexy lady! Bella Hadid freed the nipple for her French Vogue cover. 

(Photo: Instagram)

πŸ’₯πŸ’₯Sorry mama πŸ˜‡ Secret project with my dream team @nomadrj and @elizabethsulcer πŸ˜»πŸ˜»πŸ˜ˆπŸ˜‡πŸ˜‡ #BTS

Candice Swanepoel dared to bare her baby bump. Pregnant or not, the Victoria's Secret model always looks incredible!

(Photo: Instagram)

Of course hot photos while taking a bubble bath is a must for Mariah Carey.

(Photo: Instagram)

Chrissy Teigen gave the ultimate birthday present to one of her best pals -- a naked pic.

(Photo: Instagram)

Khloe Kardashian has been flaunting her revenge bod on Instagram all year long -- and we're not complaining!

(Photo: Instagram)

Halle Berry made her Instagram debut in jaw-dropping fashion -- with a classy naked photo, of course!

(Photo: Instagram)

"Modern Family" star Ariel Winter made headlines throughout 2016 over her racy outfits ... but this photo takes the cake.

(Photo: Instagram)

Only Chelsea Handler would be ballsy enough to wish Reese Witherspoon a happy birthday with a naked selfie!

(Photo: Instagram)

Comedian Amy Schumer raised awareness for gun safety with a head-turning snap that she took in a perfect angle as to not reveal too much.

(Photo: Instagram)

Just a man with his coffee! Josh Brolin enjoyed his morning beverage sans clothes ... and we don't see a problem with that.

(Photo: Instagram)

Singer Jake Shears kicked off 2016 with a bang ... and a naked booty shot! Who knows what 2017 will bring ...

(Photo: Getty)

Former "Dancing With the Stars" contestant Mischa Barton oozed sex appeal in her shirtless snap during her trip to Greece.

(Photo: Getty)

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