Throwback Photos From Grey’s Anatomy and Once Upon a Time Stars! The Best #TBT Photos of May 23

Throwback Thursday (or #tbt) is maybe our favorite trend on Twitter and Instagram. Celebs and non-celebs alike post pictures from their past, and we have a blast sifting through them!

This trend lets us see what our favorite stars looked like as little kids, gives us a peek behind-the-scenes of our favorite movies, and sometimes gives us a good giggle. Now that it's Friday, here are our favorite Throwback Thursday photos from yesterday, May 23!

Click here to see our favorite Throwback Thursday photos this week!