A red polka dot dress, fitted, not halter neck, basically the same style as these below, except in the UK and available in a size 12.
www.stopstaringclothing.com/sunshop/glmwp-03-rdwhd-166.html
www.theprettydresscompany.com/fashion/Polka-Dot-Hourglass-Red-Pencil-Dress.html
Thank you!