HomePeople Biography and filmographyChristine McGuire Christine McGuire was an American singer, a member of The McGuire Sisters singing trio. Movies (2)TV shows (3) Movies (2) The Pointer Sisters: Up All NiteThe Pointer Sisters: Up All Nite1987 · Self - The McGuire Sisters Night of 100 Stars II1985 · Self TV shows (3) The Mike Douglas Show1961 · Self What's My Line?1950 · Self The Ed Sullivan Show1948 · Self