MasterChef judge Gregg Wallace will be making his ballroom debut this weekend, but in his efforts to be ready for his first dance he’s split his trousers, giving partner Aliona Vilani quite ane eyeful.

Strictly Come Dancing insiders have revealed that Gregg is showing some promise during training, but his professional dance partner Aliona was flabbergasted when it became clear that he wasn’t been wearing any underpants after his wardrobe malfunction.

Aliona tweeted: “Rehearsal with Gregg went from funny to disturbing … trousers split at the back = funny … Gregg not wearing underwear = disturbing!’ 

Gregg responded on Twitter: “Actually managed to split my trousers in dance practice yesterday, not the most elegant of manoeuvres. Poor

Strictly Come Dancing premieres on Friday and Saturday, September 26-27.