Confession: We're officially obsessed with celebrity throwback pics!
Seeing Justin Timberlake as an adorable little athlete or Kim Kardashian and Nicole Richie cheesing it up in a photobooth is what Throwback Thursday and Flashback Friday were made for.
It's a little case of: Stars they're just like us! They went through puberty!
2014's been a great year for star #TBTs on Instagram, so we've rounded up our personal favorites.
From Ariana Grande's little skate date to Jessica Alba's leather bellbottoms, see the super-fun no filter selfies, on-set antics, and fashion fails of the past!