long sleeve black mini dress ABINGOO Women Sexy Boat Neck Mesh Bell Sleeve Self Tie Back Sheer Backless Bodycon Y2k Short Dresses S : Clothing, Shoes & Jewelry 82% Nylon 18% Spandex Long Sleeve Bodycon Mini Dress

This dress features a stylish boat neckline

When it came to testing, I wore each style myself under various outfits

Outline Introduction: The importance of birthday outfits Outfit Ideas for Different Birthday Celebrations Beach or Outdoor Birthday Party Girl Looks Intimate Girl Dinner Styles Birthday Date Ensembles Golden Birthday and Semi-Casual Events Baddie Birthday Outfit Inspiration Coordinated Duo Birthday Outfits Color and Accessory Tips for Birthday Looks Final Styling Tips: Confidence and Fit Outfit Ideas for Different Birthday Celebrations Beach or Outdoor Birthday For birthdays celebrated on the beach or outdoors, lightweight and breezy dresses are ideal

You'll want something not too dissimilar to Gwen's actually, but pair it with a dress or oversized Oxford