Dolly Parton's Extremely Sensible Reason For Looking Fabulous 24/7

American music icon Dolly Parton looks her best no matter what, and for a very good reason.

CNN reports that the living legend shared in the latest issue of Marie Claire magazine that she never wants to be caught short if disaster strikes.

I have to always stay ready -- street-ready, I always say.

I have to be ambulance-ready at all times, if I get sick or something.