As Sierra’s reign as Justine’s cover girl comes to an end, we want to test your knowledge to see how much you really know about this YouTube maven. Where would Sierra go on a dream vacation? And what would she choose as her spirit animal? See if you can answer those questions and more in the video above, and join us in saying see ya later (but not goodbye!) to this digital darling.

Now that you’ve watched, how did you do? Check your answers below!

10+ right: You are a serious Sierra fan, and you two are clearly destined to be BFFs. Keep up the pace and share your love for Sierra with all your friends on social media using the hashtag #JustineSierra!

7-10 right:  Sierranators, unite! You love Sierra just as much as we do, and we have no doubt that you’ll keep learning more and more about this rising starlet. Follow her on social media to get minute-by-minute updates!

3-6 right: You’re just getting to know Sierra, but trust us, you’ve made the right choice in keeping up with this cutie. Stay up to date by subscribing to her YouTube channel and check out the August/September issue of Justine for more exclusive coverage!

0-2 right: You may have a lot to learn about Sierra, but we’ll gladly welcome you to the fan club! Get up to speed at!