Rihanna earns first #1 album on Billboard 200
After scoring her 12th No. 1 single on the Billboard Hot 100 chart with ``Diamonds,'' Rihanna finally earns her first #1 album on the Billboard 200 chart with Unapologetic.
Rihanna has made chart history by becoming the first female artist to have a number one single every year for five years in a row.