by Rihanna is enjoying an extended stint atop the Billboard Hot 100 this week. According to Billboard, the “Rated R” entertainer’s latest single “Rude Boy” holds on to the top spot for a fifth week. In related news, Rihanna joins Mary J. Blige, Jill Scott and Erykah Badu as an act slated to perform during this year’s Lilith Tour. Rihanna is the latest female artist to join the festival’s founder, Sarah McLachlan, on the summer trek which runs through late August. As previously reported, Rihanna is also due to launch her own tour, the Last Girl on Earth tour, with Ke$ha, this summer. She is also working on a follow-up to “Rated R”.
