It's the semi final! As we reach the penultimate week, RuPaul's search for the UK's Next Drag Race Superstar is nearly over.In a Gladiators-themed comedy roast challenge, the ru-maining queens step into the Drag Race UK arena to fight it out for a place in the finale. The crown is in snatching distance, but one wrong joke could mean game over for one of our plucky contenders. Thankfully, Alan Carr is on hand to mentor the queens with a comedy masterclass.But the question remains, which contender will make RuPaul laugh the loudest of all?Comedian and actress Aisling Bea joins RuPaul as his extra special guest judge, alongside Michelle Visage and Alan Carr as another queen sashays away.