Celebrities like Ariana Grande, Justin Bieber and One Direction are some of the biggest names in the world. We mean, pretty much everyone knows who they are at this point, and it’s likely that you all have at least one of their songs on your iTunes, right? Well, although they may be huge now, we know it’s hard to imagine, but at one point they were normal people just like the rest of us!

So how did they go from being an average Joe to some of the most successful celebrities in the world, you ask? Well, we did some investigating on how your favorite stars were discovered, and it turns out, some of them worked pretty hard to get their big breaks. Stars like Selena Gomez and Demi Lovato knew they wanted to get into singing and acting even as a kid — attending auditions for years before becoming Disney girls. But other stars, like Jennifer Lawrence and Noah Centineo for example, actually have some pretty hilarious stories about how they became famous.

Scroll through our gallery to find out how your favorite celebrities got their start.

Love J-14? Be sure to subscribe to our YouTube channel for fun, exclusive videos with your favorite stars.