On October 23rd, labelmates Psy and 2NE1 showed off their friendship through a picture update on Me2day. Psy wrote on his Me2day, "With 2NE1. The kids that are the best." The five performed at the 'I-FESTA' on the 22nd at the Olympic Stadium. Although they're known for being charismatic on stage, they're looking sweet and innocent here alongside a very proud-looking Psy. Fans commented, "So jealous! Yesterday was really fun, everyone's jjang!", "Looks like an uncle with his nieces", "YG Family ???? 2NE1 on each side", and "Loving the hair styles!" Source + Photos: Psy's official me2day