• blissfully anaware

An example: The small neck hugging collar and gathered shoulders create the perfect illusion of a dainty torso, and when tucked into a pair of high-waisted shorts a universally flattering silhouette is achieved. For the breastily gifted or those with none such gifts. For the brawny broad-shouldered lass or for a man without shoulders. For the young and fashion-forward and the blissfully unaware elderly alike, everything can happen.

Slightly off-topic: there’s an expression that could be used to describe how the (bad) things such people are anaware of affect them, such

• as water off a duck’s back.