It's the last of the Junior Bake Off heats and just one place remains in the quarter-finals. The four remaining bakers to enter the tent for the most coveted spot are Rachel, Mimi, Yasmin and Tom. Judges Nadiya and Allegra have set a tricky technical that will test their baking know-how with a surprise recipe for chiffon cakes. For the show-stopper challenge the bakers must showcase their artistic side, creating detailed artwork on a painted cake. But who will portray the personality and creativity and impress the judges enough to put them through?