Katherine Jenkins has refused to strip for Playboy because she doesn’t want to upset her mum.

While talking about the 1-million-pound deal, the singer, 29, admitted: “She would have been so disappointed in me.”

Katherine once posed for a men”’’s mag in a revealing basque, reports The Sun.

The former beauty contest winner, who’s dating TV star Gethin Jones, also revealed that she’s feeling broody.

She said: “Of course I””m broody.

“I grew up with a big family so I””m used to having that.”