The singers get a taste of what it's really like to be famous when they face a tricky interview at Radio 1. Which one of them will dish the dirt when DJ Maya Jama tries to dig a little deeper into their personal lives? Then it all falls to pieces in the music lesson when the singers take on an Ariana Grande track, which proves to be their biggest nightmare. And it's time to find out which of the mums knows their child best when they are entered into in a game show challenge with a very messy forfeit.