I think you will have to try this dress on to know if it loves you back.
I love that dress too but I have found ribbed knits to be tricky.
My concerns:
I think that ribbed knit could possibly be unforgiving to any little bump, especially if it’s even just slightly thin.
The ribs could flatten and relax against the body’s curves, giving emphasis. ( not necessarily bad) The dress could cling against your bottom rather than falling vertically, giving a sexy rather than elegant vibe. (Not necessarily a negative) You will probably need to plan the undergarments for this dress.
A simple classic cream dress such as this could be the backbone of a capsule. It could be very versatile, dressed up/down etc. If it’s the backbone of a capsule, maybe some cream booties or strappy shoes, sandals or heels.