Disguise womens Belle Costume, Official Disney Beauty and the Beast Costume Outfit With Bow

Typically wear a size 4-6 in adult clothing, will it be true to size? Sometimes I wear medium. 5 foot. 120-130lbs.

I am 5'8" and about 160. What size do you recommend?

Does the shirt come with the dress? Like is it attached as part of it or will I have to find a shirt to accompany the dress?

I wear size 12-14, 25 yr old. weigh about 200lbs and im 5'6". i am not sure which size i shoulf get. theres a size 14/16. is that for woman?