He's only went and gone full showbiz!
Cathal Minogue from the Dermot and Dave team was getting a bit too big for his boots, so the lads decided to really put him to the test and send him off to his first ever red carpet event. Cathal went to chat to the stars of the 'House Of The Dragon', the new Game Of Thrones Prequel.
They also decided to send Cathal off on a little mission that involved singing to the Queen.
Click Play to find out how he did.