Ultimate is a greatest hits compilation album by UK electronic music band Pet Shop Boys. It is their third greatest hits album, released on 1 November 2010 by their long-time label Parlophone. The album contains 18 previously released singles, in chronological order, and one new song ("Together").Ultimate was released to celebrate 25 years since the band's first single release "West End Girls" in standard single-CD and expanded CD/DVD configurations. It charted at number 27 on the UK Albums Chart on 7 November 2010, with first-week sales of 8,886 copies. On the European Top 100 Albums it reached number 50 on 20 November 2010.

The single "Together", containing two cover tracks and an extended version of the song was released on 24 October 2010 digitally and on 29 November physically.

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