Get ready to feel like a major under-achiever.
Matty B already has an entourage of little girls (see his video for "What's My Name?"), and he isn't afraid to shoot down haters who are quick to dismiss his adorable blond bowl cut, small stature or the fact he likes to rhyme while riding down slides. He's covered everyone from Bruno Mars to Far East Movement, and Justin Bieber better watch the f- out.
In only 5 months, his YouTube channel has more than 20 million uploads, and it's no wonder why: this kid drops mad rhymes, yo. Check out some of this best videos below, and be prepared to be awed.