The Singles Collection (Britney Spears album)

The Singles Collection is the second greatest hits album by American singer Britney Spears. It was released on November 10, 2009, through Jive Records to commemorate her ten-year anniversary since entering the music industry. The compilation was released in many different formats, including a one-disc edition, a CD+DVD edition and a box set, which contained twenty-nine singles, each packaged in its own slip case with original cover art. The CD+DVD edition, as well as the box set, contains a DVD with Spears's music videos.

The Singles Collection received widespread acclaim from the music critics, who noted Spears's impact and influence on pop music during her first decade in the music industry. The album entered the top ten in Japan, and peaked at number twenty-two on the US Billboard 200. It is Spears' longest-charting album on the UK Albums Chart, due both to its initial chart run and resurgent success beginning in 2021. In the United Kingdom, it has been certified as double-platinum for more than 600,000 certified units. It is also certified six-times platinum in Canada for more than 480,000 units; as well as Gold in Australia, Mexico, and New Zealand. In the United States it has more than 268,000 units in streams and sales, failing to reach any certification there.

"3" was released as the sole single from the album. In the United States, it debuted atop the Billboard Hot 100. The only new song on the album, it was produced by Max Martin and Shellback.