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 gown, Joseph, New York, 1913. Royal purple panné silk with short-sleeved silk lace V-neck bodice asymmetrically draped in gold metallic mesh. High jeweled midriff band with clear center and magenta paste butterfly. Hobble skirt layered over short train. Whitaker Auctions