 At number three was Pour Some Sugar on Me by Def Leppard. At number two was Mercedes Boy by Pebbles. And burning bright at number one last week was The Flame by Cheap Trick. Will the tricksters add more fuel to the fire? It could be that Pebbles or Def Leppard will pour some water on their number one flame. We'll find out as we count them down. Number 40.