Avril Lavigne was forced to postpone dates on her current U.S. tour after suffering a bout of acute laryngitis. No make-up dates have been announced.To celebrate the brewing of Bud Light Lime, the beer company is offering a free downloadable remix of Santogold’s “Lights Out.” Prince will publish his first book, 21 Nights, in the fall. The multimedia book will document the Purple One’s historic twenty-one-night run at London’s O2 Arena last year.Mary J. Blige and rap executive Steve Stoute are set to launch FFAWN, the Foundation For the Advancement of Women Now. The foundation is dedicating towards inspiring women to reach their goals and will distribute scholarships, grants and other programs.