"Milkshake" is a song by American recording artist Kelis and the lead single from her third studio album, Tasty. The song was released in the United States on August 25, 2003, by Star Trak and Arista Records, and internationally on November 24. It was written and produced by The Neptunes, a duo that had made the majority of Kelis' songs in the past. According to Kelis, "milkshake" in the song is used as a metaphor for "something that makes women special." The song is noted for its euphemistic chorus and low beat R&B sound.

The song peaked at number three on the US Billboard Hot 100 chart in December, 2003, becoming Kelis' best charting single in the country to this day. Outside the United States, the song topped the charts in the Republic of Ireland, and peaked inside the top ten of the charts in Australia, New Zealand and the United Kingdom. "Milkshake" was certified gold in the United States, where it has sold 883,000 paid downloads. The song was nominated for a Grammy Award for Best Urban/Alternative Performance in 2004.

"Milkshake" was written and produced by Pharrell Williams and Chad Hugo, better known as The Neptunes. The song came out when Tasty was chosen as the album's title. When making the song, Kelis "knew right away that it was a really good song", and she wanted it to be the album's first single. Recording sessions took place at Hovercraft Studios in Virginia.Phil Tan mixed the recordings at Right Track Studios in New York City.

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