Ruth-Ann Boyle (born April 26, 1970 in Sunderland) is an English pop singer who became famous during the 1990s. Together with producers Tim Kellett and Robin Taylor-Firth, she formed the British band Olive. The band became world famous with "You're Not Alone" in 1996. In 1999 she sang lead vocals on the track "Gravity of Love" on Enigma's album The Screen Behind the Mirror, which was also released as a single. She also performed guest-vocals for their 2003 album Voyageur.