For years, the name Loni Willison was associated with flawless beauty, radiant confidence, and the kind of fitness-model physique that turned heads in every room she entered.

She graced magazine covers, built a strong presence in the modeling world, and lived a life many young women believed to be glamorous and enviable.

Her striking features, golden hair, and dedicated physical regimen helped her carve a name for herself in an industry driven by…