Discover the Art of Corsets with What Katie Did

Corsets by What Katie Did combine over 25 years of design experience with comfort, shape, and vintage style.

Founded by Katie Thomas in the early 2000s, the brand blends vintage aesthetics with modern engineering.

Our steel boned corsets are designed with care for the waist, rib cage, and hips for a secure, elegant fit.

We’ve refined our patterns over decades so ready-to-wear styles feel precise, supportive, and comfortable.

This collection includes options for daily wear, special occasions, and dramatic vintage looks.

Our waist training corsets offer structure, waist reduction, and posture support. We also offer lighter powermesh waist cinchers.

Demi styles are ideal for layering under clothing, and for dance or performance wear.

What Katie Did is trusted by celebrities, stylists, and corsetry enthusiasts around the world.

Our designs have been featured in Vogue on Kate Moss and worn by Julia Roberts on the cover of W Magazine.

They have also been trusted by Oscar-winning actress Kate Winslet and appeared on Strictly Come Dancing.

Katie’s own experience with daily waist training helps shape designs that balance dramatic shaping with long-term comfort.

Each piece uses traditional techniques, including spiral steel boning, strong waist tapes, and high-quality fabrics.

From underbust to overbust, every design is tested and refined.

If you're new to corsetry, our expert guides can help you choose the right style for your body and goals.

Explore the collection to find the right fit for your life, your style, and your silhouette.