Pussycat Dolls easily retain their singles chart title with Don't Cha, which experiences a 23.4% downturn in sales week-on-week to 65,122 but still outsells all other singles by a margin of greater than two to one, writes Alan Jones.

It remains strong despite the release of the first Pussycat Dolls album PCD, which registers the second highest new entry on the album chart this week, debuting at number eight with sales of exactly 23,900.

Although Don't Cha's sales dipped nearly ...