"%22Part-Time Lover%22 is a 1985 single by Stevie Wonder, from his album In Square Circle. The song reached number one on the Billboard Hot 100, R&B, dance, and adult contemporary charts. The song's simultaneous chart success made him the first artist to score a number-one hit on four different Billboard charts. It is Wonder's most recent Hot 100 number-one single to date. (With the exception of his appearance on %22That's What Friends Are For%22 which also featured Dionne Warwick ,Gladys Knight and Elton John. That song was number one for 4 weeks from January to February , 1986.) Part Time Lover also reached number three on the UK singles chart. The song featured R&B singer Luther Vandross humming at the end of Stevie's verses and on backing vocals. Stevie Wonder earned a Grammy Award nomination for Best Male Pop Vocal Performance in 1986, for the song. Wonder is noted in the liner notes of the 4-CD set %22Hitsville USA: The Motown Singles Collection Volume 2 1972-1992%22 as describing the music for the song as an ode to %22You Can't Hurry Love%22 and %22My World Is Empty Without You,%22 both by The Supremes, former Motown label mates of Wonder." . "eng" . . . "english" . . "2"^^ . "true"^^ . "1985-08-24"^^ . "1985 singles" . "true"^^ . "Motown singles" . "Number-one singles in New Zealand" . . "Stevie Wonder songs" . . . "174.0"^^ . . "The Lost Fingers songs" . "Billboard Hot 100 number-one singles" . "RPM Top Singles number-one singles" . . "0.213745"^^ . . "Billboard Adult Contemporary number-one singles" . "0.0774312"^^ . "599320"^^ . "PartTime Lover" . "Irish Singles Chart number-one singles" . "Stevie Wonder" . "Motown" . . "2011-11-14"^^ . "Stevie Wonder" . "5714dee525ac0d8aee524ef0" . "USMO10000361" . . . "Summer 1985" . . "Billboard Hot Dance Club Songs number-one singles" . "254000.0"^^ . . "62"^^ . "false"^^ . "Billboard Hot R&B/Hip-Hop Songs number-one singles" . "Songs written by Stevie Wonder" . "Dance-pop songs" . . "db0a4b68-5dc2-44b6-95c9-752b5ec69e66" . . "TRNQWAD128F92CC984" . "166" . "-14.5"^^ . . . "Oricon International Singles Chart number-one singles" . "Part-Time Lover" . "2153663" .