Jenna Jameson, Former Adult Film Actress – 80 Pounds

Jenna Jameson is a former adult film star who now works as a model and runs ClubJenna, her own adult entertainment company. The mother of three has had her fair share of ups and downs regarding her weight. She is popularly known for using the keto diet, which is her go-to method, to shed her pounds.

While Jameson does take breaks in between following the said diet, her adherence to it after giving birth in 2017 made her 80 pounds lighter, which, according to the US Magazine, was higher than her target. She also practiced intermittent fasting.