Back in January, the boys of ZE:A debuted with Mazeltov. The group has come a long way and earlier today they celebrated their 300th day anniversary. The celebration video was recently uploaded to their me2day. They celebrated with cakes and candles and sang a celebratory song. They also thanked the fans for following them over these 300 days and to patiently wait for their next album. Check out the celebratory video below and Congratulations to them on their 300th day anniversary. Tip: adelheidsmith