Reviewers say this runs large, so size down. 

Promising review: “not too tight! it’s nice and loose, comfortable, you can dress it up or down, and honestly has been my go to when it’s 80 and sunny!!” —Anna C

Price: $20 (available in sizes XS–4X and five colors)

Source: https://www.buzzfeed.com/beccaglasserbaker/dresses-from-target-quickly-become-your-summer-go-to