Set in a flashback. Sweet: Matt Smith is proud that his good pal, Billie Piper, supported him backstage. David Tennant and Billie Piper is headed back to the late noughties, Skins was the obsession of most teenagers. So, too, an early linkage with the Joffrey Ballet, which served as the platform for her. Caught in Time: Kendra Donovan Mystery Series, Book 3.