With sales of 43,556 last week, the album - which previously topped the list first for 11 weeks, then for a further five - climbs 2-1, swapping places with Beyonce's 4 (32,438 sales), which topped the list for the last two weeks.

In 25 weeks on the chart, 21 has spent 17 weeks at number one, the rest at number two. Although its sales last week edged up by 27 over the prior frame, 21 sold fewer copies last week ...