Adele's sophomore album, '21', has just scored its third week at number 1 in the UK albums chart. 

The 'Rolling In The Deep' singer recently announced a string of American tour dates and tonight will be celebrating her third consecutive week at the top spot. Her debut record, '19', remains in the top ten although it has dropped two places to number 6. 

Bruno Mars' 'Doo Wops & Hooligans' has gone up a place to number 2 and Rihanna, who will perform at tonight's Grammy awards, is at 3 with 'Loud'. 

The Streets and James Blake both earned new entries in the chart this Sunday and their new albums clocked up positions at 8 and 9 respective. Watch Adele's track-by-track introduction to '21' below: