You may know everything about your favorite celebrities, but this guessing game will put your knowledge to the test! There are some stars who basically don't age over the years, which makes it hard to see their transformations. Some celebs will shock you with how different they looked a few years ago (like they grew up overnight), but these celebs aren't like that. Can you tell which photo was taken first?
Click through the gallery to play our guessing game. Let us know how many you got right in the comments!
Can you guess which Victoria Justice photo was taken first?
Click the arrow to find out.