702

702 (pronounced "Seven-O-Two"), named after the area code of their hometown of Las Vegas, Nevada, was an American platinum-selling R&B trio. Originally a quartet, the group became a trio, which includes sisters Irish (born June 2, 1980), and LeMisha 'Misha' (born June 10, 1978) Grinstead, and lead singer Kameelah Williams. Irish's twin sister Orish Grinstead (June 2, 1980 – April 20, 2008) was founding member and later a substitute vocalist.

source: Wikipedia