While J. Lo is out in Beverly Hills destroying her career, Britney Spears continues to galavant around Europe with her classy boytoy Kevin Federeline. Here they are shopping in Dublin on Saturday: Starburst has announced that Britney is the candy's new spokesvixen (buzz via Whatevs.) Click to enlarge these stills from the commercial shoot: You can download Starburst's official Britney ...