March 10, 201411 yr New updated figure for her UK "Singles" total of 18,781,292 making her the biggest selling female artist in UK history surpassing Madonna, although it should be noted that this figure includes all her collaborations so purists may argue about who is really No 1. The OCC in May 2012 only counted her "lead artist" sales and had her on 10.4M so they seem to have altered how they measure this- and may change their minds again in the future!
May 16, 201411 yr 'Rehab' has become Rihanna's 23rd single to be certified Silver (32nd if you were to combine with featured singles). I don't imagine there's any others which are close to the mark.
January 25, 201510 yr 'Russian Roulette' has sold 475k and Rated R has sold 710k to date. http://www.officialcharts.com/features/pop...uccessful-9999/