"Leave the Door Open" is the debut single by the American superduo Silk Sonic, consisting of Bruno Mars and Anderson .Paak, from their studio album An Evening with Silk Sonic (2021). The song was written by the artists alongside Brody Brown and Dernst "D'Mile" Emile II, who produced it with Mars. It was released on March 5, 2021, by Aftermath Entertainment and Atlantic Records for digital download and streaming. A Philadelphia soul, R&B, and pop song, it is influenced by quiet storm. The lyrics are humorous and describe a "detailed erotic invitation".

Silk Sonic is an American musical superduo composed of musicians Bruno Mars and Anderson .Paak. The duo released their debut single, "Leave the Door Open", in March 2021. They later released "Skate" in July 2021, followed by third single, "Smokin out the Window", and their debut album, An Evening with Silk Sonic, in November 2021. The album peaked at number two on the Billboard 200, while the first three singles reached the top twenty on the Billboard Hot 100, with "Leave the Door Open" spending 18 weeks in the top ten and two non-consecutive weeks at the top spot. The song later won four Grammy Awards, including Record of the Year and Song of the Year.