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Katy Perry
, Jay-Z, Kanye West, Kenny Chesney and more will all be hitting the red carpet this Sunday for the Grammy Awards.

But before then, we're taking a look back to when all the nominees could only dream of superstardom. Yes, we're talking about high school and middle school shots people!

Check out some yearbook photos of the now-big names above, plus others like Lady Gaga, Adam Levine, Hillary Scott, Kenny Chesney (without a hat!), Anthony Kiedis, Lil Wayne and more.

Who do you think changed the most through the years? Sound off below.

And be sure to come back to toofab Sunday to see all the red carpet hits & misses and ceremony highlights!

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