Bree Argetsinger who's better known as The Betty Rocker is a fitness star and creator of the #makefatcrychallenge. She has written nutrition and fitness plans, she's also C.H.E.K. certified Exercise Coach.
She studied journalism and nutrition at Florida International University and worked in Alaska.
She has 290,000 followers on Instagram.
She posted a photo on Instagram with her family for the annual Tug Hollow Trot in December 2016.
She's good friends with the entrepreneur Lewis Howes.