help !!!! need advice its an emergency !!!

So today im going to the inlaws for mother day ! And im wearing a black dress that goes up to my knees , and some nude heels with like gold in it , but idk if i should straighten my hair or curl it ! Its so hard to make up my mind lol . Also, what colors should i do my eyeshadow if im wearing a black dress whith gold nude heels ?!