Gary Barlow and Camilla Kerslake will be making a special appearance on tonight’s Popstar To Operastar.

The new reality TV show kicks off this on ITV1 tonight and will feature pop singers including McFly’s Danny Jones, Osmond brother Jimmy and former Hear’Say star Kym Marsh learning the art of opera singing.

The programme’s official Twitter page revealed tonight:

“For those asking, Gary Barlow is on stage during the show… amazing!” it said. “He’s playing piano, accompanying Camilla Kerslake.”