"Believe it or not, Sugababes were coming for the Pussycat Dolls’ sound. It was out with the quirky-yet-accessible pop the group were known for with monumental records like ‘Push The Button’ and ‘Hole in The Head’, and in with auto-tuned vocals, guest rappers, and well-exhausted lyrics about getting crunk in the club.I mean it's not good enough for me to want to go and listen to the thing again, but it's worth reading for how it notices that the creative forces have had much success elsewhere and that to some extent, it's promotional mismanagement which hampered its success.
"The result wasn’t actually altogether as woeful as the eventual album sales and chart position would indicate. Even though Sweet 7 peaked at #14 in the UK and was branded a catastrophic flop, it still charted higher than the first Sugababes album, One Touch, (which hit #26). Where One Touch earned Sugababes a mostly favourable comparison to All Saints, Sweet 7 eerily echoed the cursed reception of Spice Girls’ final studio album Forever. Did the British public catch a nauseating case of déjà vu? Oh, not another well-loved English girl group posing a little too hard for the American pop-R&B market."
Music So So Gay offers a pretty good defence of Sweet 7, the "Sugababes" album which is widely thought of as killing the project: