Billboard's best kpop songs of the 2010's: 1. IU - Good Day 2. Red Velvet - Red Flavor 3. INFINITE - The Chaser 4. 2NE1 - I Am The Best 5. Girl

Billboard's best kpop songs of the 2010's: 1. IU - Good Day 2. Red Velvet - Red Flavor 3. INFINITE - The Chaser 4. 2NE1 - I Am The Best 5. Girl