If you haven't seen Psy performing his major hit "Gangnam Style," count yourself lucky to finally be in the know. PSY, a South Korean pop musician, rose to fame after his music video went viral with him doing horseback-riding dance moves. Aside from winning the hearts of music fans everywhere, "Gangam Style" is also the most liked video to ever be viewed on YouTube, with already over 2 million likes. Even better? PSY is now represented by Justin Bieber's talent manager Scooter Braun -- ensuring he'll be around for a long time.