Today is Kendall Jenner's 19th birthday! The Keeping Up With the Kardashians star has been in the spotlight for over 10 years and we've literally watched her grow up before our eyes. To state the obvious, her transformation has been insane! She went from being tall and awkward, to becoming a total bombshell model who radiates confidence.
Click through to see 19 mindblowing photos from Kendall's childhood, then let us know in the comments below which photos you think she looks the most different in. Do you think she's changed a lot from her tween days?