The search for the UK's Next Drag Race goes poptastic this week as the queens take on the now iconic girl group challenge.Spice Girls legend, Emma Bunton joins RuPaul as an extra spicy guest judge and steptacular pop aficionados, Steps, step up to the challenge of coaching the queens as they split into two groups to record and perform their very own pop song.Michelle Visage and Alan Carr join Ru and Emma on the judging panel as they deliberate on who should be the next queen to sashay away from the competition….