By not giving himself ‘cheat days’, Gary added he was more able to stay on track.
He recommended keeping a food diary to others struggling to lose weight.
Gary stated: “Do a food diary for every day, and look down and you’ll see what you’re doing wrong.”
As well as a healthy diet plan, a good fitness regime seems to be key in keeping the singer slim.
He has given fans a glimpse into his gym sessions through posts on social media.