It's possible that back in 1936, when Noel Streatfeild was writing Ballet Shoes, (
http://en.wikipedia.org/wiki/Ballet_Shoes_%28novel%29) and your old lady was probably being born, it might have had some charm.
Nowadays, however, it just calls to mind a loathsomely befrilled and precocious little pageant kid who is really, really posey:
http://www.definition-of.net/posey
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