Katie Miller

Most Popular
9, 1990
South Carolina
Birth Sign
9, 1990 (age 30)
South Carolina


Fitness trainer, model, and social media personality who is known for her eponymous brand of personal training. She has also developed a following on Instagram, where she often poses and posts diet plans, client testimonials, and modeling poses.

Before Fame

She graduated from Eastern Illinois University with a Bachelor's of Science degree in exercise science. She also earned her ACSM personal training certificate and NASM corrective exercise specialist certification following her graduation.


In 2014, she finished as the runner-up for the National Physique Committee's (NPC) Junior Nationals bikini modeling competition. She has placed in the top 5 in the competition on four occasions. Her Instagram account has garnered more than 50,000 followers.

Family Life

Born in South Carolina, she was raised primarily in Maryland and Illinois.

Associated With

She and fellow fitness trainer and model Massiel Arias are both known for their sizable Instagram followings.

Katie Miller Popularity