"Do What You Do" is a single by American R&B singer Jermaine Jackson, sibling of singers Michael and Janet Jackson and former member of The Jackson 5. It was released as the second single his album, which was called Jermaine Jackson in the United States and Dynamite in the United Kingdom and other countries.

This was one of Jackson's first releases with Arista Records after a long recording career with Motown Records, first as a member of The Jackson 5, then later as a solo artist. Although Jermaine Jackson never achieved the same level of solo success as sister Janet or brother Michael, "Do What You Do" was one of six top 20 solo hits on the Billboard Hot 100 chart for the singer. The song peaked at No. 13 on the Hot 100, No. 14 on the Billboard R&B chart, and spent three weeks atop the Billboard adult contemporary chart. The song was one of Jackson's biggest hits in the UK, where it reached No. 6 on the UK Singles Chart.

In the ballad, Jackson is requesting that his lover continue with certain enjoyable events they have both experienced in the past: Why don't you do what you do / when you did what you did to me?

Its B-side is "Tell Me I'm Not Dreamin' (Too Good to Be True)", a duet with Michael Jackson.

The song was sampled by Lil Wayne for "How Could Something" and by Chamillionaire for "Void In My Life".

The music video was an imitation of The Godfather and supermodel Iman played Jackson's love interest who eventually betrays him by trying to shoot him. After his henchmen take her away, it is not revealed what happened to her.

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