The latest celebrity to join the enormously successful "Got Milk?" print campaign is none other than singer (at least I'm pretty sure that's what she does) Joss Stone. For about a week and a half Stone had been the celebrity face of The Gap. Showing they know who Stone's demographic is the Milk Processor's Education Association, the body behind the campaign, will run the ads in teen-focused publications. Stone will be opening for the Rolling Stones on their current concert tour. Ads will begin running in this October and run for three months.