The British performer - who was featured on Azalea's 'Fancy', and wrote Icona Pop's monster smash 'I Love It' - was finally front and centre last night.

Her new single, 'Boom Clap', features on the soundtrack to The Fault In Our Stars, and has become the first major hit the singer-songwriter has enjoyed in her own right.

Take a look at the performance below - something tells us it won't be long before we're hearing a lot more about her.