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

Shop the Realisation Par 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.