Shirley B.

Shirley B. is an American fitness model and fitness trainer known for her athletic build and real, natural physique. At 33 years old, she has built a substantial following on Instagram, where she shares her journey as a mother of two. Her story is one of overcoming challenges to gain healthy muscle mass, transforming her body and confidence along the way.

Shirley's approach to fitness is practical and sustainable. She offers several digital programs, including the Burn & Build Challenge, a 4-week plan with home and gym workout splits plus nutrition and custom meal plans. Her specialized program, Build a Shelf With Me, focuses on progressive overload and lower body development. She also partners with brands like Gymshark, where she is an official athlete and sponsor, and Alani Nu, as an official brand ambassador. Beyond fitness, she launched a clothing line called A Stitch of Paisley, aimed at mothers and children.

As a mother of two, Shirley understands the importance of building long-term fitness habits within a busy schedule. She frequently shares content that resonates with other parents seeking to prioritize their health. Her dark hair and brown eyes are as striking as her athletic build, and her genuine journey has earned her a loyal following of 104k on Instagram.