“I can eat certain fruits but not all fruits,” he told The Sun. “You have to be careful because some fruit can have more sugar than a can of Coke.”
However, Simon also started a new exercise regime to tone up at the same time as shedding the weight.
The television star reportedly does at least 500 press ups a day as well as lifting weights.
Fellow BGT judge Amanda Holden even said that Simon would work out in between filming.
“He has these things, I don’t know what you call them. They’re sort of stuck to the floor and they have handles so he can do his own press ups on them… And it works! His upper body is amazing,” she said.