Did you know this week marks four years since Instagram first started? How cool is that?! Now, the photo-sharing app is such a huge part of the way we share fashion and beauty news!
In honor Flashback Friday and this year's Instaversary, we thought it would be fun to compare our fave stars very first Instagram selfie posts to some of their latest. Stars like Ariana Grande, Zendaya, Selena Gomez, and Bella Thorne have totally transformed their styles since first starting their accounts.
Click through the gallery above to compare stars' first Instagram selfies to their latest pics. Who do you think has changed the most? Sound off in the comments section.