Up against new albums from Rihanna and Sia, there seemed to be little chance that David Bowie would remain at No.1 this week but with Sia's This Is Acting faltering at the last, and Rihanna's Anti never in the race, that's just what has happened.

However, after topping the chart for three weeks' Bowie's last studio album Blackstar slips to No.2 (27,962 sales), ceding pole position to his 2002 compilation Best Of Bowie, which jumps 3-1 with 28,897 sales. That ...