Boyfriend (Korean: 보이프렌드) is a six-member South Korean boy group under Starship Entertainment formed in 2011. The group consists of Kim Donghyun, Shim Hyunseong, Lee Jeongmin, Jo Youngmin, Jo Kwangmin and No Minwoo. The group has released three Korean single albums. They debuted on Mnet's M!Countdown on May 26, 2011 with their debut single "Boyfriend", which was produced by Brave Brothers. Their fanbase was officially named "Best Friends" as of August 10, 2011.