Iggy Azalea, born Amethyst Kelly, in her old yearbook photo. That's awesome.
The pouty lips haven't changed much, have they?
Granted, it wasn't THAT long ago Britney Spears was a high schooler. But still.
Look at that hair! Brad Pitt used to part is right down the middle.
Wow. Eminem has come a long way since his life on 8 Mile.
Look how innocent Kim Kardashian was before she and Ray J got the camera out.
We can't even imagine how many hearts Matt Damon broke in college.
Blake Lively has grown a tad more glamorous over the year, wouldn't you say?
So adorable! Justin Timberlake was nearly unrecognizable as a high school student.
This is what Megan Fox looked like before becoming the most desirable woman on earth.
Sadly, it wasn't too long after this when Kendra Wilkinson started posing naked for Playboy.
This is what Jenny from the Block looked like when she went to high school on the Block.
Can you believe this is a photo of Paris Hilton?!?
Wasn't Selena Gomez just the ultimate cutie?!?
Would you have ever guessed this high schooler would one day be named American Idol?!
Ashton Kutcher, back when he was an unknown youngster in Iowa. Still a handsome fella!
Cameron Diaz, rocking that epic late '80s high school hair!
Do you think Taylor Swift wrote out potential diss lyrics in her yearbook pages?
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Paul Rudd Yearbook Photo
Wow... just WOW. A Reddit user has tracked down this amazing high school yearbook photo of Paul Rudd.