Flour power!

New judge Lady Caroline Waldegrave joins the team for this year's starry Bake Off specials...

- STEVEN PERKINS

A fresh batch of stars take part in The Great Celebrity Bake Off this week to show off their baking skills and raise money for Stand Up to Cancer - and there will be a new judge sampling their wares! With regular judge Dame Prue Leith taking a break, Paul Hollywood will be joined by businesswoman and cookery teacher Lady Caroline Waldegrave, who happens to be a good friend of Prue's!