Justin Bieber’s 18th Birthday Today!!!!

Do you hear that? It’s the sound of Beliebers all over the world celebrating Justin Bieber‘s arrival into adulthood. That’s right, our beloved Biebs has officially turned 18 — and what better way to celebrate his big day than by perusing his 50 best photos? HollywoodLife.com has assembled a massive gallery, featuring shots from his epic career (so far), so start flipping! Oh, and Happy Justin Bieber Day to you all.