Country chanteuse LeAnn Rimes and British soul singer Joss Stone share the stage when genres collide in the newest episode of CMT Crossroads. Both known for their strong vocals and retro stylings, Rimes and Stone will prove, yet again, that great music knows no boundaries. CMT Crossroads: Joss Stone and LeAnn Rimes will premiere Dec. 7 at 10 p.m. ET/PT on CMT and Dec. 15 at 9 p.m....