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Have you ever run into someone from middle school and not recognized them at all? Maybe they had a non-trendy haircut back then, a different sense of style, or just hadn’t grown into their features yet. Years later, they show up looking like a completely different person.

Social media is full of these transformation photos, the kind where an awkward teenager turns into someone who looks ready for a runway. Turns out, there’s a name for this — the “ugly duckling syndrome.”

When someone on Threads recently asked people to share their own before-and-after photos from school days, the replies were truly striking.

Take a look at the photos we’ve collected from the thread, and see if you can spot the differences and similarities.

#1

Ugly Ducklings transformation: Before and after photo of a child holding books and a woman in a cap and glasses.

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Srinivasan S
Community Member
19 hours ago (edited) Created by potrace 1.15, written by Peter Selinger 2001-2017

Photos like this should be on top. Most photos in this list are, bad, low res, photos of people going through puberty vs the best shot in high res, heavily photoshopped, of adults. Some people even look like they've gone through plastic surgery.

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    To understand where the term “ugly duckling” comes from, we have to look back at the classic 1843 Danish fairytale by Hans Christian Andersen by the same name.

    In the original story, a young bird is teased, picked on, and completely isolated by his family because he looks different. He grows up genuinely believing he is ugly. But time passes, he matures, and everyone is shocked when he turns into a stunning swan.

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    The real takeaway wasn’t that he suddenly became beautiful — it was that he was never actually a duck to begin with. He was just different from his peers.

    #4

    From child to businessman: an ugly duckling transformation demonstrating self-love and personal growth.

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    meeeeeeeeeeee
    Community Member
    15 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    That's gotta be his da. Looks like him in second pic

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    On social media, people took the “ugly duckling” fairy tale arc and applied it to conventional beauty standards.

    It’s a situation in which someone who was seen as unattractive growing up, by themselves or by others, ends up becoming conventionally attractive as an adult.

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    This is not an official medical condition or a clinical diagnosis you’ll find in a doctor’s manual. Instead, it’s a widely recognized social phenomenon to describe the emotional baggage of being a late bloomer.

    #8

    An ugly duckling shows her incredible transformation, now a beautiful woman smiling confidently.

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    Pawsome
    Community Member
    15 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    She looks the same in both no? Either way, very pretty

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    #9

    Ugly duckling transformation of a woman from casual attire to an elegant dress, showcasing self-love.

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    Nova yt
    Community Member
    9 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Bet she felt incredible that night! Hope she had a blast wherever she went.

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    The irony is that the modern phrase “ugly duckling syndrome” actually misses the true meaning of the story.

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    In the fairytale, the bird didn’t do anything to change himself, nor did he go to a salon to get a makeover. He was always a swan… he just had to wait for time to do its job.

    That’s why some experts believe this term — which has been popularized mostly on social media — can be a bit problematic. It can send the wrong message by playing into rigid beauty standards that push people to look a certain way.

    “No amount of effort or persistence can turn the typical woman into the photoshopped, unrealistically perfect beauty images they see every day in advertisements, movies, and magazines,” says psychologist Dr. Melissa Burkley.

    “Given this, maybe the message that beauty is malleable and can be improved upon leads women to focus too much effort and attention on this unattainable beauty goal.”

    #10

    An ugly duckling transformation from a young girl to a beautiful woman, radiating self-love.

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    elfin
    Community Member
    Premium
    3 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Basically she grew up. That happens.

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    #12

    Before and after photo of a woman showing her incredible transformation from an ugly duckling to an adult.

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    Nova yt
    Community Member
    9 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Wonder how many times she practiced that smile in the mirror, she perfected it for sure.

    The term also ignores the fact that trends in attractiveness are constantly changing. What society considered beautiful ten years ago looks completely different today.

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    For instance, the ultra-thin ideal has made a massive comeback, largely fueled by the rise of weight-loss drugs like Ozempic.

    Celebrities and influencers who were once praised for being curvy have suddenly become razor-thin, making their before-and-after photos a massive talking point online.

    #13

    An ugly duckling transformation showcasing a young girl with glasses transforming into a stunning woman, highlighting her self-love journey.

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    Miss Tinker
    Community Member
    18 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Absolutely nothing wrong with the first picture. The second one is obviously the result of surgery, makeup & good lighting so is fake ‘beauty’.

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    According to experts, people living with this syndrome face a weird mental disconnect.

    They might look incredible, but they still cringe at compliments, suspect people are making fun of them, or constantly look over their shoulder to see who a stranger is actually staring at.

    It’s proof that changing your look is the easy part. But convincing your inner awkward teenager that you’re a swan takes a lot longer.

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    #16

    Before and after photo of a woman showing her incredible transformation from an ugly duckling to an adult.

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    Nova yt
    Community Member
    9 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    .most of these are asians, no? Why do I feel like the majority of these are Asian glow ups?

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    Some of these images prove what tons of research already tells us. Our facial structures, bone density, and body proportions are heavily shaped by genetics and natural aging. And beauty isn’t malleable like intelligence.

    That hasn’t stopped a trend called “looksmaxxing” from promising otherwise.

    The idea behind it is that people, mostly young men, can reshape their face and jaw through specific routines, like skincare and posture work. The trend also includes more extreme methods like mewing, which involves pressing the tongue against the roof of the mouth for hours a day.

    Most experts who get asked about these methods say there is no actual science behind this trend.

    “The scientific lens is really important here, because young men are socialized into that like a data-driven, logical rationalization perspective. There is very little emotionality in much of this [looksmaxxing] content,” says Zac Seidler, a psychologist and researcher specializing in men’s mental health.

    #18

    An ugly duckling's incredible transformation into a sophisticated woman, highlighting the journey of self-love.

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    Nova yt
    Community Member
    9 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    She would look great w red hair

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    #19

    A before and after image showing an Ugly Duckling transformation. The left image shows a young girl in a black shirt and skirt outdoors; the right image shows the same woman posing in a long black dress and crop top.

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    BrunoVI
    Community Member
    18 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Surely, this was intended for the photoshop fails thread, no? Her tibia is three times the length of her femur! Look where her knee is!

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    A long-term facial growth study tracking children from around age 7 to 17 shows that facial appearance changes are driven by a mix of growth and body composition. During childhood, higher body fat can make the face appear rounder and softer, often reducing visible bone definition and making features like the cheeks, jawline, and nose appear less sharply proportioned.

    As children enter adolescence, puberty triggers major changes: facial bones grow, the jaw lengthens, the nose develops more prominently, and fat distribution shifts across the face. At the same time, “baby fat” gradually reduces, which makes underlying bone structure more visible.

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    Together, these changes can create a dramatic transformation in appearance between childhood and the late teenage years. This explains why many people look noticeably different in old school photos compared to adulthood.

    These photos are ultimate proof that simply letting yourself age and mature can make you more beautiful, both inside and out.

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    As actor Kate Winslet put it recently: “Women get more beautiful as they get older, for sure, because our faces become more a part of who we are, they sit better on our bone structure, they have more life, they have more history. Things I find incredibly beautiful are wrinkles around the eyes, the backs of hands. I think those things are very beautiful.”

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    #23

    An ugly duckling's incredible transformation showcasing her journey to self-love.

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    elfin
    Community Member
    Premium
    3 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Letting yourself age? I know of only one alternative to that.

    While society certainly rewards conventional looks through biases like the “pretty privilege” or the “halo effect,” these viral photos reveal a much deeper truth.

    Growing up is a long, adventurous process that can’t be forced or rushed by internet trends. Ultimately, the most inspiring part of these transformations should be seeing people finally feel comfortable in their own skin.

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    #26

    Side-by-side photos capturing an ugly duckling's incredible transformation from a schoolgirl to a smiling, elegant woman, celebrating self-love.

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    Colleen Glim
    Community Member
    18 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    This entire thread just makes me sick! Why can we not normalize loving who we are?

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    #28

    A woman's incredible transformation from an ugly duckling into a sophisticated and beautiful lady.

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    nm
    Community Member
    11 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Hidden beauty in the left.

    #29

    A before-and-after image showing an incredible transformation of an ugly duckling into a confident woman.

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    Nova yt
    Community Member
    9 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Few could pull off micro bangs as well as her.

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    #30

    Ugly Ducklings transformation: Before and after photo of a young girl with long nails and a woman with red hair and glasses.

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    Pawsome
    Community Member
    15 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    This one made me spit out my water. Did not expect this one after all the previous very posed, filtered pics

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    #33

    A girl's incredible transformation from an ugly duckling to a stunning young woman loving herself.

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    Nova yt
    Community Member
    9 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Ouu off to find those facial pearls, I've seen glitter and gems but not pearls, love it.

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    #39

    A split image showing an Ugly Duckling transformation: a young woman with glasses and hair tied back, and a gorgeous woman with long brown hair, full lips, and flawless makeup.

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    Pawsome
    Community Member
    15 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Her skin color changed? I genuinely hope that this is "just" a filter :(

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    #43

    From an ugly duckling to a stunning young woman, an incredible transformation demonstrating the power of self-love.

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    nm
    Community Member
    11 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    God may have mercy on you. Religious hypocrisy. And I'm atheist.

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    #45

    Ugly Ducklings transformation: Before and after photo of a young girl outdoors and a woman in a grey headscarf.

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    Jp@nda
    Community Member
    4 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    Every one of these is the same freaking filter. Come on people

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    #47

    Before and after photo of an ugly duckling transformation into a beautiful woman who loves herself.

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    Ka Se
    Community Member
    19 hours ago Created by potrace 1.15, written by Peter Selinger 2001-2017

    I somehow like the bevore much more. She is beautiful without a lot of makeup, the sweaty(glossy?) skin and increased lip size. (Actually, I think she looks in the second picture as if someone from the p○rn industry had advised her. Pretty vulgar.)

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