By 1842, Victoria would have been, 23, and trying to appear very grown up. The skirts are widening (as are the hips and bust line after bearing two children), and do so even more in 1847 when she would have already had five children.
Evening or dinner dress, Mme. Gabrielle, Paris, ca. early 1870s. Mme. Gabrielle, while not as well-known now, was as respected in her day as Charles Worth and other top Parisian designers. Charleston Museum Tumblr