alla borisovna pugacheva (, or pugachova, ), born 15 april 1949), is а russian singer. she has a "clear mezzosoprano and a full display of sincere emotions". she is the most successful soviet and russian performer in terms of record sales and popularity. she became a of the russian sfsr in 1980, in 1985 and in 1991. she is the mother of actress and singer, kristina orbakaitė.