"Use ta Be My Girl" is a song by R&B vocal group The O'Jays. Released from their hit 1978 album, So Full of Love, it became a huge crossover hit. The song spent five weeks at number one on the R&B singles chart. It also peaked at number four on the Billboard Hot 100 singles chart.[1] "Use ta Be My Girl" became one of their biggest and most familiar hits by The O'Jays. The song has also been certified by the RIAA as a Million-Seller.[2]