Swoosh picks the academy's first ever dance crew. And Hollie prepares hard for the celebrity masterclass.

With the dance crew's first live performance looming, rivals Leah and Kieran clash. And just who is the celebrity giving the celebrity masterclass?

Santino is giving Vinnie the cold shoulder for fancying his sister. Leah is forced to ask her dance rival Kieran for help. Bonnie and Donna start the search for duets for the Showcase. But will the boys vs girls 'riff off' cause sparks between new best friends Lucia and Jordi?