It’s easy to talk about the keys to success: hustle, hard work, perseverance, and patience. It’s less easy to actually put it into practice, especially when life hasn’t already given you some sort of boost. It doesn’t help that, more often than not, you hear countless stories about failed dreams and resignations to comfortable lives. As tempting and as secure as that may seem, the impossible isn’t impossible. Hold onto that inspiration, keep stoking that creative fire, and keep your feet planted to the ground—hell, just take a look at these self-made celebrities. From now-established actors who supported themselves with odd jobs, to current hit-making musicians who sacrificed a permanent home just to pay their dues on the road, the following 10 celebs are the confidence boost you need.