Do you consider yourself the ultimate Vine star fangirl? Do you think you know everything about Cameron Dallas, Nash Grier, and Marcus Johns? It's time to test your knowledge!
We've taken screen shots from eight Vine stars' very first videos – Cameron, Nash, Marcus, Jack and Jack, Carter Reynolds, Shawn Mendes, Matthew Espinosa, Carter Reynolds – and we want YOU to guess whose video it's from. Let us know how many you got right in the comments below. Did any of them stump you?
Click to the next arrow to play our guessing game.