Thinking about Gowns

I've been thinking about gowns lately - not that I particularly have a reason to wear one, but I am loving long floor skimming skirts and I'm curious about how I might design a gown that works for my height (5'3").  Some photos for inspiration:

{Diane Kruger in Jason Wu for InStyle via tomandlorenzo.com}

{Anna Selezneva by Mariano Vivanco for Vogue Russia, June 2011 via FGR}