On record the smallest waist was..

The woman with the smallest waist hi-res stock photography and images - Alamy

How woman with world's smallest waist made herself thinner using corsets

Tiniest Waist: Su Naing To Beat 1939 Guiness World Record (Photos) - Fashion - Nigeria

Fashion History Blog – Page 58

Maureen McMurray on X: Best part of #ONA17? Meeting Cathie Jung, Guinness World Record holder for smallest waist (living), at the hotel bar. @reblavoie / X

Cathie Jung, The World's Thinnest Waist

I shrank my waist to 11.8 inches — the size of a red Solo cup

Mother-of-one wants to match the record for the world's SMALLEST waist at 15 INCHES

Fashion History Blog – Page 58

Silhouettes – Page 60