They say babies change everything, and it’s true even in the superficial sense.

But over the years, we’ve seen unbelievable bounce-backs in every way.

Even Queen Bey’s colorist Rita Hazan was floored.

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“I was shocked.

“She didn’t want to hide behind her hair in real life.”

“This hair is more natural, more realistic.”

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In other words, she totally woke up like this, and you’re free to too.

She looks oh my god!

she looks so good!”

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Klum was a bit more subdued regarding her transformation.

“Every time it’s the same.

“She wanted to make a drastic change and was inspired by the Balmain SpanishVoguemodels.

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She had wanted to go blonde for quite some time, so this was perfect,” Papanikolas dished.

“We did very heavy ombre and very heavy highlights.”

She had wavy, blonde hair less than a year before.

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“This time it’s more of a honey blonde.”

Hudson joined Weight Watchers, a decision she credited for helping her become the smallest she’s ever been.

As for the number, Hudson wasn’t singing.

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“It was just about being comfortable,” she said.

Hudson did offer a glimpse into how Weight Watchers helped her hit her milestone.

“I put in my routine, ‘Let’s get up and walk.’

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Something is better than nothing.”

Angelina Jolie rocked the red carpet

Angelina Jolie has a long history of head-turning off-screen moments.

Though, perhaps not as shocking, her body bounce-back after giving birth to twins was pretty impressive.

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But come on, it’s totally because she’s immortal.

Jennifer Lopez said, tri not?

It sounds daunting wasn’t giving birth to twins enough?

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but Lopez was upbeat when she spoke withGood Morning Americathat August.

“I feel great,” Lopez said.

“I have more energy [and] I’m proud of myself.”

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“It’s so much work afterward to get the weight off,” she toldHarper’s Bazaarin 2007.

But, she added, “If you just do it, it comes off.

And when you’re nursing, like I am, your metabolism is like,whooosh!”

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Whoooshis a pretty apt way to describe how quickly she shed the pounds the second time around.

Want your abs to be just as rock steady?

But just working out won’t cut it.

“Diet plays a big big role in losing weight, period,” Heatlie advised in the sameInStylearticle.

Nicole Richie settled down

Nicole Richie’s transformation was more internal than external.

As a teenager and 20-something, Richie burst onto the scene as a witty wild child.

She wascomic reliefon theSimple Lifewith then-bestie Paris Hilton.

But at times, Richie’s life was anything but funny.

In 2003, shewent to rehabafter being arrested for possession of heroin.

In 2006, the starlet was arrested again,this time for DUI.

She wound up serving82 minutes of her four-day sentence.

Before she surrendered herself, Richierevealed she was pregnantwith her first child with boyfriend Joel Madden.

But looking back, Richie has no regrets.

The model welcomeddaughter Dreamin November 2016.