Kylie Jenner turns 19 today, and in honor of the reality star's birthday, take a look back at some of her most unforgettable moments from Keeping Up With the Kardashians' early years (we're talking 2007, folks!)
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When she proved to be a better pole-dancer than Kim.
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When she was naive enough to think that her family would listen to her.
3 of 11
When she refused to put up with Kendall's crap.
4 of 11
When she just couldn't keep her mouth shut.
5 of 11
When her inner sassiness came out to play.
6 of 11
When she defended Khloé against fat shamers.
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When she had absolutely no filter.
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When she perfectly embodied an angsty teen.
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When she served as her older sisters' messenger.
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And when she broke our hearts with this comment.