Unlike us regular folk, celebrities have the power to drastically transform themselves. And though they too grow up and grow old, they’re able to completely change up their looks over the years — sometimes so much so that they look like totally different people! That’s what some of our favorite stars have done, though their processes — losing weight, extensive tattooing, or gender transitioning — have varied. But the real kicker? These celebs didn’t take very long to complete their metamorphoses. In fact, some of them are downright unrecognizable from just five years ago. How is that possible?

So who out there lost so much weight that they’re just a shadow of their former selves? Who’s gone under the knife to go from not to hot? And who has made major changes that have empowered them to truly live their best lives? Check out these celebs who are pretty much unrecognizable from a mere five years ago.

June ‘Mama June’ Shannon

June Shannon 2013/June Shannon 2018

A star was born when the world first saw Alana “Honey Boo Boo” Thompson’s antics on season five of Toddlers and Tiaras. The spin-off show Here Comes Honey Boo Boo quickly followed, bringing viewers even deeper into Thompson’s unique world. And while she carried the show in her own right, fans couldn’t get enough of her mother, June “Mama June” Shannon, whom everyone seemed to love to hate. She was loud, she was large, and she was definitely controversial — but also, arguably, authentic.

Fast-forward five years later, and Shannon looks like a totally different person. She’s lost hundreds of pounds (with the help of a gastric sleeve), had skin removal surgery on her tummy and arms, had her teeth fixed, had her chest lifted, and had her chin tucked, which she discussed in detail on The Wendy Williams Show. We think she looks amazing!

So dramatic is Shannon’s transformation that she even has a reality show of her own now: Mama June: From Not To Hot. Looks like Shannon’s been laughing at her haters all the way to the bank!

Justin Bieber

Justin Bieber 2013/Justin Bieber 2018

Speaking of celebs that get people slamming shots of haterade, Justin Bieber is definitely sporting a different look than he was five years ago. Back then, while he had mostly grown out of the shiny bubblegum look that had characterized his youth, he still had a bit of a baby face. Also, his wardrobe was still relatively clean-cut. And his 100 hours of tattooing were mostly still in front of him.

It’s not just the fashion choices and extensive ink that have set the Bieber of today so far apart from the Bieber of five years ago. He’s grown up considerably in that time, so everything from the tone of his voice to the manner in which he carries himself is completely different. You can hardly believe that the dude inhaling salmon in this Instagram live video is the same guy who sat on Jimmy Fallon’s couch for an interview — it’s legit day and night!

If anything, we suspect that Bieber’s reached the point where he doesn’t care what other people think of him, which honestly is super refreshing. You do you, boo.

Caitlyn Jenner

Caitlyn Jenner 2013/Caitlyn Jenner 2018

Arguably the most famous transgender woman in the world, Caitlyn Jenner has had quite the journey on her way to living her best and most authentic life. The Olympian had known for a long time that she was transgender, but only in 2015 did she feel safe enough to publicly come out. “I’m just a lucky person in so many ways,” she mused in an interview on The Ellen Show. It’s amazing she can finally be herself!

Now that she’s out, Jenner repeatedly shows us how to slay with her gorgeous gowns, flawless makeup, and shiny long locks. She’s clearly ditched the athletic style that she sported for many years, and we are here for it!

Although Jenner’s transition wasn’t easy, and despite some of the controversy she’s garnered from her community, she’s found both peace and happiness in her own skin. “I think people think when you transition, it is this tremendous thing, and now you’re a totally different person,” she shared in an interview with Variety. “I’m still the same person. Caitlyn lived inside me all my life.” So while she looks totally different than she did five years ago, she’s still the same person she’s always been deep within.

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