The Diary of Alicia Keys

The Diary of Alicia Keys is the second studio album by American singer-songwriter Alicia Keys. It was released on November 21, 2003, by J Records. Almost entirely written and produced by Keys, the album is a concept album functioning as her auditory diary, primarily dealing with relationship complexities. Musically, it is predominantly a soul, R&B, contemporary classical, and hip-hop record.

A substantial commercial success, it debuted atop the US Billboard 200, with first-week sales of 618,000 units, and became one of the best-selling albums of 2003 and 2004, both nationally and globally. The album yielded four singles, three of which—"You Don't Know My Name", "If I Ain't Got You", and "Diary"—reached the top 10 on the US Billboard Hot 100 and were among biggest hits of 2004 in the US.