In The Number Ones, I'm reviewing every single #1 single in the history of the Billboard Hot 100, starting with the chart's beginning, in 1958, and working my way up into the present. Book Bonus Beat: ...

Rihanna has never had a number one album - until now. Billboard reports "Unapologetic" has made its debut in the top spot, selling 238,000 copies. Before this, Rihanna had the unfortunate distinction ...