For years, outspoken British TV personality Katie Hopkins, 40, has criticized overweight people — saying they’re fat because they’re lazy — and preaching that obesity can be solved by simply eating less and exercising more.

And she’s willing to throw her weight behind her controversial opinion. Hopkins set out to nearly double her body weight, by consuming upwards of 4,000 calories a day for three months — and then losing the pounds in an attempt to prove her theory true.

Her journey is documented in a two-part TLC special, which premieres in the UK on Friday and in the US on Jan. 18.

The first episode follows Hopkins’ weight gain and the psychological changes that come with being unhappy in her body as she confronts other overweight people to hear their responses to her outspoken views.

In the second episode, Hopkins attempts to lose the weight through self-discipline and meets with other people struggling with weight loss, and ultimately must decide if her prejudices have changed as a result of the experiment.