She got her start in fitness playing soccer during her university years.
Kathy is now a Certified personal trainer to the stars with more than 1.
One of the secrets to her success is the specific diet she has, which often varies depending on her goals.
Born in Los Angeles, California, United States, the daughter of Boris Sagal and Sara Zwiling.
She began her modeling career in August, 2013, when she began posting photos and videos featuring her wearing bikinis and sexy attire, in different lifestyle settings.
She has over 539,000 followers on Instagram.