How To Style a LBD: Get Dressed With Me in Realisation Par Christy Dress

Shop the Christy Dress HERE, 
On this episode of Get Dressed With Me, how to style the ultimate little black dress from Realisation Par The Christy Dress.   I am 5'11" size 6-8 normally, wearing a size Large for length.   I could probably fit the medium but was worried It would be too short.