Bye Bye Bye! is the 8th major single from the Japanese pop group ℃-ute. It was released on April 15, 2009 in both limited and regular editions with the limited coming with a bonus DVD. The limited edition and the first press of the regular edition came with a serial number card that can be used to enter a lottery where tickets could be won to an event. The single reached #4 on the Oricon charts, charted for four weeks, and sold a total of 27,918 copies. This is ℃-ute's first single without Arihara Kanna.