"You Sexy Thing" is a song recorded by the British group Hot Chocolate. It was written by Hot Chocolate's lead singer Errol Brown, and produced by Mickie Most. It reached number 2 in the UK Singles Chart in 1975, and number 3 in the US Pop charts a year later. Billboard ranked it as the No. 22 song for 1976. The song went on to gain notability by being featured in films, such as 1997's The Full Monty.

The song was originally a 1975 B-side. Not yet convinced that the song could be a hit, producer Most put it on the flip-side of the Hot Chocolate single "Blue Night". The song was later remixed by Most, who re-released it as an A-side some months later on his RAK label. The song was a hit and ultimately became the group's best-known song. In the UK the song was poised for the no. 1 spot, but was beaten to it by "Bohemian Rhapsody," when on 29 November 1975 the Queen single leaped above it from no. 9.

A 1987 remix by Ben Liebrand hit number 10, in turn reinvigorating public interest in the band, and prompted the release of the compilation album The Very Best Of Hot Chocolate (featuring the Liebrand remix) which subsequently reached number 1 in the UK Album chart in February 1987. Ten years later, when it was featured in the film, The Full Monty in 1997, it went to number six in the chart. In one of the most memorable scenes in the film, the male lead, Gaz (played by Robert Carlyle) performs a "striptease" to the music of "You Sexy Thing." Another U.S. resurgence in 1999 can be credited to a Burger King television commercial in which the song played while the camera examined a Double Whopper. In addition, it is the only song to enter the UK Top Ten in the 1970s, 1980s and 1990s.

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