As previously reported, 21 makes it 21 weeks at number one after selling 730,000 copies last week, up 207% on the previous week and its highest weekly tally since being released in the States a year ago. Nielsen SoundScan stats show no album has sold more copies in a week across the pond since Lil Wayne's Tha Carter IV debuted at one last September.

Adele's six Grammy wins have not only seriously boosted sales of her current album but its ...