The Scottish trailblazers scored their fifth UK No. 1 with the collection containing highlights of their previous decade together.
Our interview with the enduring Scottish singer-songwriter found her in ebullient mood about her new record and tour.
The release, which marks its vinyl debut, will be on red and yellow splattered vinyl, with a digital download card.
The album marked KT's spectacular arrival in the mainstream, selling five million copies worldwide and going five-times platinum in the UK.
The star-studded bill also includes Orbital, Manic Street Preachers, Courteneers, Tom Jones, Idles, Gomez and more.
KT Tunstall marked the upcoming release of her new Golden State EP last night (31 May) with her first London show for three years at the Tabernacle.