ETA: There's only one review of it here on PR, and the posted photo only shows it on a hanger: Kwik Sew 2982 review But if you read all the way down through her review, she's added a flickr link showing the dress on, with a good view of the armscye area
The short answer is that it depends on the time of day, the formality of the event, and whether the host has set a theme
7 months in, I am fully reveling in this new season of true adulthood
Elegant Light Blue Satin Off-shoulder Slit Formal Dress $170.1 USD (free shipping) Look chic and elegant by wearing this light blue satin prom evening, graduation, or military ball dress, featuring an off-the-shoulder neckline, and a puffy A-line skirt with a high slit
Stuff neck and body cavities loosely with stuffing.* Close both cavities with skewers and string