"Heard It All Before" is a song by American recording artist Sunshine Anderson, from her debut studio album Your Woman (2001). It was written by Anderson, Rayshawn Sherrer, Chris Dawley, and Mike City, and produced by the latter. Released as the album's lead single, it reached the top ten on both the UK Singles Chart and the US Billboard Hot R&B/Hip-Hop Singles & Tracks chart, while peaking at the number 18 on the Billboard 200.

In 2006, a remix version of "Heard It All Before" featuring fellow R&B singer Brandy was leaked onto the internet. The duet was recorded during a session when producder Mike City was working with both singers in 2001, but remained unused. In March 2016, City released a high quality version of the duet to his Soundcloud account.

Credits adapted from the liner notes of Your Woman.

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