碧比·布尔，Beverle Lorence "Bebe" Buell (born July 14, 1953) is an American singer and former fashion model, and Playboy magazine's November 1974 Playmate of the Month. Buell moved to New York in 1971 after signing a modeling contract with Eileen Ford, and garnered public notoriety after her publicized relationship with musician Todd Rundgren from 1972 until 1979, as well as with several rock musicians over the following four decades. She is the mother of actress Liv Tyler, whom she had with Aerosmith frontman Steven Tyler in 1977.