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We're not sure which we're obsessed with more: Behati's totally on-trend side ponytail or the fact that she pretty much looks the same now.
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Those lips! Proof Gigi nailed the pouty pose very early on in her childhood modeling career.
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A total blast from the past, the America's Got Talent judge shows off her penchant for experimenting with different hairstyles. "Love these pigtail buns!" she wrote.
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Before legions of fans became utterly obsessed with Kendall's style/photo spreads/Instagram, the Keeping Up with the Kardashians star was a cute kid who just loved being in front of the camera.
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"Big brother and I dressed for success," wrote the Victoria's Secret Angel, captioning a sweet sibling pic.
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The camera lens focused on a school-aged Alessandra, who spent free days on the playground before trading in seesaw time for Victoria's Secret Angel wings.
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"My face when things don't go as planned," wrote the Brazilian supermodel.
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There's no doubt in our minds that the expectant mom's childhood photo — featuring the model twinning with her blue-eyed cat — was printed and sent to every relative and close friend. It's just too adorable.
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Cindy or Kaia? The legendary supermodel strikes an eerie resemblance to her teenage daughter in this throwback snapshot, which shows the Becoming author posing with "my first legal bottle of champagne!"
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Karlie is a woman of many talents — coding, modeling and designing, just to name a few — so it's no surprise the future model dabbled in some fishing as a toddler.
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While we're used to seeing the model-turned-actress strike a pose in a barely there bikini, we're totally feeling this polka-dot look.
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The youngest Hadid sister has always been a natural in front of the camera — and this candid snapshot is no exception.