Adele\'s chart-topping release 21 has overtaken Pink Floyd\'s landmark 1973 release, The Dark Side Of The Moon, in the list of best-selling UK albums. The album, including hits Rolling In The Deep and Someone Like You, has now sold more than 4,142,000 copies, making it the seventh biggest-selling album of all-time and the biggest selling album of the 21st century. . Sales figures from the Official Charts Company show it is also just 12,000 copies away from the sixth best-selling album, Dire Straits\' long player Brothers In Arms, and is likely to move further up the chart soon. The company\'s managing director Martin Talbot said: \"As every week goes by, another record seems to tumble in front of Adele. \"Now, her 21 album has overtaken The Dark Side Of The Moon in the all-time biggest sellers list - and by the end of the week, it may well have overtaken Brothers In Arms, too. Then she will have Michael Jackson\'s Thriller in her sights. It has been an extraordinary 12 months or so for Adele, and it looks set to become even more extraordinary as the days and weeks go by.\" Sales of Adele’s Grammy award-winning album 21 have overtaken those of Michael Jackson’s Bad in the UK. The Someone Like You singer’s second album, 21, passed the 4 million sales mark after sales were boosted following her performance at the Brits this year, where she won two awards - British Female Solo Artist and British Album of the Year. The top 10 biggest selling albums of all time are as follows (sales figures in brackets): 1 Queen - Greatest Hits (5,863,000) 2 The Beatles - Sgt Pepper\'s Lonely Hearts Club Band (5,044,000) 3 Abba - Gold: Greatest Hits (4,989,000) 4 Oasis - What\'s the Story Morning Glory (4,517,000) 5 Michael Jackson - Thriller (4,248,000) 6 Dire Straits - Brothers in Arms (4,152,000) 7 Adele - 21 (4,142,000) 8 Pink Floyd - The Dark Side of the Moon (4,114,000) 9 Michael Jackson - Bad (3,959,000) 10 Queen - Greatest Hits II (3,887,000)