All-time UK sales of digital albums have topped the 100 million milestone.

According to Official Charts Company data published by the music industry trade body BPI today, the 10 biggest-selling digital albums of all time, led by Adele, Ed Sheeran and Lady Gaga, have all sold more than 250,000 copies online.

The BPI reported earlier this year that revenues from downloads and subscriptions overtaking income from physical CDs and records in the first quarter of 2012.  Digital now accounts for ...