K-pop girl group, Blackpink, has become the fourth biggest artist in the world in terms of YouTube subscribers. Their record label YG Entertainment revealed Monday that Blackpink has surpassed 44 million subscribers on their official YouTube channel . Since Blackpink released their latest hit, 'How You Like That' on June 24th, their channel has been growing by a hundred-thousand subscribers a day,... surpassing Eminem and Ariana Grande. Blackpink still trails Ed Sheeran, Dj Marshmello and Justin Bieber, who continues to be the number one subscribed pop star in the world.