Meanings of unstudied grace in English

Gaston has no affectations, he moves with an instinctive and unstudied grace.

She raised her arms with the careless, unstudied grace of a wild creature.

She looked like a slender red lily in the unstudied grace of her attitude.

Her feet are in an attitude that a painter would call 'one of unstudied grace!'

Her close-fitting dress revealed the symmetry of her form, and the quiet, unstudied grace of her movements.

Her attitudes were the perfection of grace-apparently ,too ,ofunstudied grace, which is the mark of the highest art in posing.

Her large, dark, lustrous eyes were brimming over with fun, and unconscious of observation, she moved with the natural, unstudied grace of a child.