Diana Vickers is to headline Britain's Next Top Model Live.
The 'Once' singer will perform two, three-song sets on the Kiss Open Catwalk on the opening day of the three-day event on October 22 at London's Excel Centre.
She said: "I am really looking forward to performing at Britain's Next Top Model Live. It sounds like an awesome day out and I'm thrilled to be headlining the first day!"
Suzy Pallett, Event Director added: "We're delighted to be able to confirm Diana Vickers as our headline act for the launch of Britain's Next Top Model Live.
"We are really excited about this year's event and have a packed schedule of music, fashion, shopping, beauty and entertainment that we know our visitors are going to love. We hope the Diana's opening performance will be a fitting way to kick off this year's event in style."
Diana will be performing on the Kiss Open Catwalk, a dedicated area which will see a selection of high fashion, music, Kiss DJ sets, and entertainment features alongside hair and make-up demonstrations, and energetic catwalk displays from a range of brands and designers.
The event - which is based on the hit 'Britain's Next Top Model' show - will be hosted by TV presenter Emma Willis.