1. It's pronounced "Ma-hone," not "Ma-ho-ney."
2. Austin rose to fame when he posted a cover of Justin Bieber's "Mistletoe" on YouTube.
3. He was born on April 4, 1996 — making him 17.
4. He was on America's Funniest Home Videos as a toddler.
5. He was an opening act for Taylor Swift on her "Red" tour.
6. He invaded the Today Show on Monday and as they put it, his fans went "slightly psycho" for him.
7. In fact, his fans often can't keep their composure around him at all.
8. He refers to his fans as "Mahomies" (which is pretty clever, to be honest).
9. His video for "Say Something" has 21 million views on YouTube and appeared at #34 on the Billboard Pop Songs chart.
10. He's not afraid to wear some crazy kicks on the red carpet.
11. In fact, he has a collection of over 100 pairs of them.
12. He knows better than to mess with Texas because he was born and raised there.
13. Like Justin Bieber, he loves oversized hats.
(Either that or his head is too small for his hats.)
14. Unlike Justin Bieber, he seems to really like the paparazzi.
15. He's made a few famous (girl)friends.
Unsure whether or not this is Bieber-approved. (Cool Stepbrothers t-shirt, bro!)