Jessica Simpson's daughter Maxwell has officially become her doppleganger -- see the 'mad' pic!

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Prepare to do a major double take!

Jessica Simpson shared a new photo of her daughter, Maxwell Drew, on Saturday, and it's practically an optical illusion. We honestly couldn't tell if we were looking at a throwback pic of Jessica or a new Polaroid of Maxi!

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"My daughter and I have the same mad face," the mom of two wrote on Instagram, adding the hashtags "#maxidrew" and (our favorite) "#donttellmetosmile."

My daughter and I have the same mad face #maxidrew #donttellmetosmile

A photo posted by Jessica Simpson (@jessicasimpson) on

Seriously, just try to tell us you didn't think that was Jessica at first.

See pictures of Jessica Simpson through the years:

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NEW YORK, NY - SEPTEMBER 21: Eric Johnson (L) and fashion designer Jessica Simpson leave their Noho hotel on September 21, 2016 in New York City. (Photo by Ray Tamarra/GC Images)
NEW YORK, NY - SEPTEMBER 21: Jessica Simpson and Eric Johnson are seen at La Guardia Airport on September 21, 2016 in New York City. (Photo by Raymond Hall/GC Images)
THE TONIGHT SHOW STARRING JIMMY FALLON -- Episode 0324 -- Pictured: (l-r) Jessica Simpson during an interview with host Jimmy Fallon on September 8, 2015 -- (Photo by: Douglas Gorenstein/NBC/NBCU Photo Bank via Getty Images)
NEW YORK, NY - SEPTEMBER 10: Jessica Simpson attends Jessica Simpson and Mike Gansmoe ring the New York Stock Exchange Opening Bell at New York Stock Exchange on September 10, 2015 in New York City. (Photo by Andrew Toth/Getty Images)
NEW YORK, NY - SEPTEMBER 10: Singer/fashion designer Jessica Simpson poses for photographs after ringing the New York Stock Exchange opening bell at the New York Stock Exchange on September 10, 2015 in New York City. (Photo by Brent N. Clarke/WireImage)
NEW YORK - SEPTEMBER 09: Jessica Simpson and Eric Johnson are seen out in Manhattan on September 09, 2015 in New York, New York. (Photo by Josiah Kamau/BuzzFoto via Getty Images)
NEW YORK, NY - SEPTEMBER 09: Jessica Simpson attends Jessica Simpson Collection Presentation Spring 2016 New York Fashion Week on September 9, 2015 in New York City. (Photo by Desiree Navarro/WireImage)
NEW YORK - SEPTEMBER 09: Jessica Simpson and Eric Johnson are seen out in Manhattan on September 09, 2015 in New York, New York. (Photo by Josiah Kamau/BuzzFoto via Getty Images)
NEW YORK, NY - SEPTEMBER 08: Jessica Simpson Visits 'The Tonight Show Starring Jimmy Fallon' at Rockefeller Center on September 8, 2015 in New York City. (Photo by Theo Wargo/NBC/Getty Images for 'The Tonight Show Starring Jimmy Fallon')
NEW YORK, NY - SEPTEMBER 09: Eric Johnson and Jessica Simpson attend Jessica Simpson Collection - Presentation - Spring 2016 New York Fashion Week at Tavern on the Green on September 9, 2015 in New York City. (Photo by Taylor Hill/FilmMagic)
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MORE: See Jessica Simpson's Birthday Post for Husband Eric Johnson

It's hard to believe just how grown up Maxi looks these days! You can tell just how tall she's gotten in a cute photo Jessica shared last month of her 4-year-old lying in the sand.

"I be grounded y'all," the fashion designer captioned the silly snap.

"I be grounded y'all" #maxidrew

A photo posted by Jessica Simpson (@jessicasimpson) on

Maxi could be her mother's dopplegänger, but she and her younger brother, 3-year-old Ace Knute, could practically pass as twins these days. The only major difference? Their eye color, as Jessica pointed out when she shared this sweet pic of her kids hugging back in July.

PHOTOS: Celebrity Mother/Daughter Doppelgangers

"Brown-eyed man and blue-eyed lady," the proud mom wrote.

Brown-eyed man and blue-eyed lady #aceknute #maxidrew

A photo posted by Jessica Simpson (@jessicasimpson) on

When Jessica turned 36 earlier this year, she noted that her proudest accomplishment in life has been her two children. See her sweet sentiment in the video below.


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