10 years of Kylie Jenner: Let's discuss her insane transformation from 2009 to 2019

Ten years ago, Kylie Jenner was your average freckle-faced 12-year-old.

Okay, so her father was a household name and she starred alongside her family on a hit reality show. But by and large, the world could've never imagined that the pint-sized Kylie Jenner of 2009 would become the grown-up, plump-lipped Kylie Jenner dominating headlines in 2019.

Although "Keeping Up with the Kardashians" debuted in 2007, preteen Kylie was far from a staple of the program. The episodes focused squarely on older siblings Kim, Kourtney, Khloe and Rob Kardashian; Kylie and sister Kendall were mostly relegated to the sidelines. In fact, you might not even remember the kids being on the show at all.

Need a quick refresher? Here's what she looked like back in the day:

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Kylie Jenner 10 years ago
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Kylie Jenner 10 years ago
IRVINE, CA - MAY 09: Kylie Jenner attends 102.7 KIIS-FM's Wango Tango at Verizon Wireless Amphitheater on May 9, 2009 in Irvine, California. (Photo by Jason LaVeris/FilmMagic)
IRVINE, CA - MAY 09: Kendall Jenner and Kylie Jenner attend 102.7 KIIS-FM's Wango Tango at Verizon Wireless Amphitheater on May 9, 2009 in Irvine, California. (Photo by Jason LaVeris/FilmMagic)
HOLLYWOOD - SEPTEMBER 30: Kylie Jenner attends the release party for the new album "Kiss & Tell" by Selena Gomez and The Scene at Siren Studios on September 30, 2009 in Hollywood, California. (Photo by Stefanie Keenan/WireImage)
UNIVERSAL CITY, CA - AUGUST 9: Kylie Jenner, Kendall Jenner and Kim Kardashian arrive at Teen Choice 2009 held at the Universal Amphitheater in Universal City, California on August 9, 2009. (Photo by Gregg DeGuire/FilmMagic)
LOS ANGELES, CA - AUGUST 06: ***EXCLUSIVE*** (L-R) Kourtney Kardashian, Kendall Jenner, Kim Kardashian, Khloe Kardashian, Kylie Jenner and Kris Jenner plant a vegetable garden at their family home on August 6, 2009 in Los Angeles, California. (Photo by Kristian Dowling/KK/Getty Images for GI)
LOS ANGELES, CA - MAY 22: Kendall Jenner and Kylie Jenner attend the "Sk8 For Life" benefit at Fantasy Factory on May 22, 2010 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic) *** Local Caption ***
HOLLYWOOD, CA - NOVEMBER 15: Kylie Jenner attends Los Angeles Premiere of BURLESQUE at Grauman’s Chinese Theatre on November 15, 2010 in Hollywood, California. (Photo by ANDREAS BRANCH/Patrick McMullan via Getty Images)
HOLLYWOOD, USA - SEPTEMBER 13: Kylie Jenner at the Los Angeles Premiere of "Easy A" held at the Grauman's Chinese Theatre in Los Angeles, USA on September 13, 2010. (Photo by Christian JENTZ/Gamma-Rapho via Getty Images)
BEVERLY HILLS, CA - SEPTEMBER 2: Kylie Jenner arrives at The Taste of Beverly Hills on September 2, 2010 in Beverly Hills, California. (Photo by Gregg DeGuire/FilmMagic)
TV personalities Kendall Jenner and Kylie Jenner arrive at the 2010 Teen Choice Awards at Gibson Amphitheatre on August 8, 2010 in Universal City, California. *** Local Caption ***
TV personalities Kendall Jenner, Kim Kardashian and Kylie Jenner arrive at the 2010 Teen Choice Awards at Gibson Amphitheatre on August 8, 2010 in Universal City, California.
(L-R) Sisters Kylie Jenner, Kourtney Kardashian, Kim Kardashian and Kendall Jenner arrive at the Los Angeles Premiere "The Twilight Saga: Eclipse" at Regal 14 at LA Live Downtown on June 24, 2010 in Los Angeles, California.
LOS ANGELES, CA - MAY 22: Kendall Jenner (L) and Kylie Jenner attend the SK8 4 Life event benefiting The Rob Dyrdek Foundation at Fantasy Factory on May 22, 2010 in Los Angeles, California. (Photo by Noel Vasquez/Getty Images)
(L - R) Kendall Jenner, Robert Kardashian and Kylie Jenner attend KIIS FM's Wango Tango 2010 at Staples Center on in Los Angeles, California. (Photo by Tim Mosenfelder/Corbis via Getty Images)
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It wasn't until the middle of the decade that Kylie really stepped into the spotlight as a force to be reckoned with. In 2014, headlines swirled about the teenager's noticeably different face, and after a few months of scrutiny, Kylie readily admitted that she was giving lip fillers a whirl.

"I have temporary lip fillers," the then-17-year-old said on "KUWTK." "It's just an insecurity of mine and it's what I wanted to do."

She also tweeted her disapproval of people taking potentially dangerous actions to replicate her look: "I'm not here to try & encourage people/young girls to look like me or to think this is the way they should look," she posted in April 2015.

The public fixation on her face contributed to the instant success of her makeup brand, which launched later that year. In the five years since, she's become the youngest person to ever land on the Forbes Celebrity 100 list, and at 21 she reportedly became the world's youngest billionaire.

She also became a mom with the arrival of baby Stormi in February 2018.

It's been a wild decade, but here are some of the highlights of Kylie's last hurrah of the 2010s:

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Kylie Jenner's best Instagrams of 2019
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Kylie Jenner's best Instagrams of 2019
sweetest love I’ve ever known 💙
@kyliecosmetics #SummerCollection launches July 10th ✨✨💛💛🏝 wearing my brand new eyeshadow palette & high gloss!
set days .. 🖤📸
a love without limits ✨
Elsa who?
👩🏼👩🏻
last night was magical 🧚🏼‍♀️
Ariel grew up.. ♥️
stas said I’m having a playboy party.. pull up 🐰🖤
i have so many belly photos but this one has always been one of my favorites. baking my little baby storm was such a special time in my life.. i actually became so much stronger and independent throughout the entire experience. women really are amazing.. tag a strong woman in your life 💓 @krisjenner
getaway 💗✨☀️
can’t resist 🖤
🏆
obsessed w @skims
spritz me 🥂
escape the ordinary 🧡🔥🤬🦊
if looks could kill baby
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