Jenna Jameson has famously documented her post-baby weight loss and maintenance, which she attributes to the popular keto diet.
Jeremiah Peterson, 40, now boasts an incredible six pack.
We'll have what she's having!
What is the "dirty" keto diet, and is it a good way to lose weight?
'No carbs before Marbs' might be one of the oldest diet sayings in the book, but this woman proved it actually works.