The tour bus arrives in Manchester, and the famous music venue the MEN Arena is playing backdrop to a Big Performance first. Gareth has decided some rivalry may help the shy singers overcome their performance nerves, so he splits them into two groups - girls versus boys.

The girls are trying to channel the feistiest female group ever, the Spice Girls, by performing their track Spice Up Your Life, whilst the boys are taking on classic anthem Never Forget by enduring boy band Take That. Both groups must work together to beat their rivals, and beat their own nerves.

In order to win, each band needs a strong image, and with help from celebrity stylist Alexis Knox who has dressed the likes of Pixie Lott and Jessie J, the girls and boys come up with their own looks. But with competitive spirit in the air, the rivalry causes disagreements within the groups. Will the prospect of performing to real girl band Wonderland and boy band Encore, as well as a record company executive, be enough of an incentive to get both groups working well together?

With two bands come two soloists. Joan is taking the lead for the girls, but she does not like being the centre of attention and cannot even bring herself to join her mum's choir. Gareth hopes that by making her confront her fear and sing for them, she will find the courage to become a member. The boys' soloist is Mohammed, whose family is used to seeing him excel academically, but he has never shown them his creative side - now that is all about to change.

Can both Joan and Mohammed take strength from their personal challenges? And which will lead their group to victory? It is the Big Performance battle of the bands. Show less