Sometimes little girls like to pretend to be grown-up ladies. One of the "dollsandreams" designers created a number of long dresses for Sasha to wear. She did several in this sparkle jersey fabric with the embroidered rose applique. The neighborhood children thought they were very glamorous and I suspect that they might have been influenced by their friends who played with Barbie dolls.
While Sasha is actually just a little girl she does manage to look quite sophisticated and grown-up modeling this gown