Frank Skinner and Joan Bakewell bring the show to Dublin for the third heat as they aim to find the very best portrait artist. At the Royal Dublin Society (the RDS to us locals) 21 more artists are vying to impress the judges for the chance win that dream commission to paint author Hilary Mantel. They'll have just four hours to capture celebrity sitters including actress Pauline McLynn, actor David Rawle and musician Lethal Bizzle. Fo'shizzle.