By Briana Draguca
Updated Jul 18, 2015 @ 4:00 pm
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Credit: Brian Gove/Getty Images

Shawn Mendes went from goofy Vine star to teen heartthrob right before our eyes. Now, the 16-year-old has a hit album Handwritten (you probably know the song “Stiches”), which made it to No. 1 on Billboard’s Top 200 chart. He’s already racked up 3.6 million Instagram followers, and he's currently on tour with social media's reigning queen, Taylor Swift. The key to this guy’s success? He lets you right into his world—and it's no wonder the tweens are drooling. Scroll down to see why he's knocking Justin Bieber off his throne. 1. He makes the sweetest prom date.

2. He works out "for therapy."

3. He's a thrill seeker.

4. He doesn't take himself (or his hair) too seriously.

5. He likes to go on adventures and explore.

6. He will serenade you.

7. He cares about making a change.

8. He's a momma's boy.

9. He has a damn good smile.