Happy Throwback Thursday, M Girls! Are you ready for a TBT guessing game? We'll give you an adorable celeb baby picture, then it's up to YOU to guess which star it belongs to. Once you've got your guess, click through to the next slide and reveal the answer!
We want to know how many you got right! Click all the way through the gallery to play the guessing game, then tell us your score in the comments!