Professional ratings
Aggregate scores
Source	Rating
Metacritic	68/100
Review scores
Source	Rating
AllMusic
Attitude	8/10
Exclaim!	8/10
The Guardian
London Evening Standard
musicOMH
The Observer
State
Time Out
The Times

Red Flag is the fourth studio album by English-Canadian girl group All Saints. It was released on 8 April 2016, by London Records, which relaunched especially for the project. It serves as the group's comeback album, their first in nearly a decade, following the release of 2006's Studio 1, which resulted in them being dropped by Parlophone. A string of live performances and touring with the Backstreet Boys in 2014 sparked interest within the group to reform and record Red Flag. All Saints collaborated with producers K-Gee, Hutch, The Invisible Men and Utters for the album.

Red Flag was preceded by the release of "One Strike" as its lead single on 23 February 2016. The album received positive reviews from music critics with some even considering it their best work yet. The album was a success in the UK where it debuted at number three on the album chart. To promote Red Flag, All Saints played a headlining gig at London's KOKO on 4 April 2016 and will embark on their first headlining tour in 15 years, the Red Flag Tour, in October 2016.

In 2007, All Saints were dropped by Parlophone following lacklustre sales of their third studio album, Studio 1. Two years later, group member Melanie Blatt declared that All Saints would be "never ever getting back together again". A limited release of the group's third compilation album, Pure Shores: The Very Best of All Saints, was commissioned by Music Club Deluxe in September 2010. The group were approached to star in the second series of The Big Reunion, but promptly declined the offer in April 2013. Unexpectedly the following year, All Saints were invited to perform as special guests for five dates of the Backstreet Boys' In a World Like This Tour in Ireland and the UK. Their tour dates ran from 26 March to 5 April 2014. Although All Saints made no money from the tour and funded their sets themselves, they saw it as an opportunity to do what they enjoyed the most and did the least, describing the experience as "refreshing" and "money well spent". It ultimately sparked interest within the group to pursue a new studio album and full-scale comeback; group member Natalie Appleton explained: "We thought we'd just do it for a laugh, but then we just didn't want it to end. We liked being together. We wanted to be together. I mean we hang out anyway, but we wanted to be together in this world."

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