"Lady Marmalade" is a song written by Bob Crewe and Kenny Nolan. The song is famous for its sexually suggestive chorus of "Voulez-vous coucher avec moi (ce soir)?", which translates into English as "Do you want to sleep with me (tonight)?" The song was originally recorded in 1974 by the group Eleventh Hour. It first became a popular hit when covered by the American girl group Labelle. Labelle held the number-one spot on the Billboard Hot 100 chart for one week, and also topped the Canadian RPM national singles chart.

The song has had many cover versions over the years. In 1998, girl group All Saints released a cover of the song that peaked at number one on the UK Singles Chart. The 2001 version by singers Christina Aguilera, Mýa, Pink and rapper Lil' Kim, recorded for the Moulin Rouge! soundtrack, was a number-one hit on the Billboard Hot 100 for 5 weeks, and also a number-one hit in the UK. "Lady Marmalade" was the ninth song to reach number one by two different musical acts in America.

The song was written by Bob Crewe and Kenny Nolan, and was inspired by Crewe's experiences in New Orleans and the sex workers in the area. A sex worker named Lady Marmalade shows up to a man named Joe, flirts with him and takes him home. Joe drinks wine and he screams French words while she is in the Boudoir. The song was first recorded by The Eleventh Hour, a disco group made up of studio musicians fronted by Nolan on vocals. It was released in 1974 as a track on the Eleventh Hour's Greatest Hits LP which did not chart. Crewe showed the song to Allen Toussaint in New Orleans, and Toussaint then decided to record the song with Labelle.

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