We've got the latest add action at U.K. radio for ya. Charles Hamilton, Rihanna and Natalie La Rose are among the newcomers at BBC Radio 1 this week, while First Aid Kit's ethereal "Cedar Lane" is added to Radio 2 along with a duet from Van Morrison & Clare Teal. At Capital London, however, Britney Spears & Iggy Azalea's new smash, "Pretty Girls," stands as the only addition.