Alison Hammond, 51, reveals the one reason she’d kick out boyfriend, 29

Alison Hammond has a hard and fast rule (Picture: Heart)

Alison Hammond has spilt the tea on the outrageous betrayal that would prompt her to kick her boyfriend out of the house.

The Great British Bake Off host, 51, is happier than ever with her 6ft10 model boyfriend David Putnam, 29, after they first met three years ago when he gave her a massage.

So much so that they now live together just outside of Birmingham as they get on with their mostly private relationship.

But there is one thing that would rock the boat and shatter the romantic bliss, as she re...