size 18 formal dress Plus-Size Off-the-Shoulder Long Prom with Slit Navy / 24 The strapless sheer boned bodice ensures that the dress clings to your body in all the right places R&M Richards Women's Long Formal

Rib knit trim at scoop neck and armscyes Spaghetti straps Logo patch at back collar Racer back Central slit at back hem Supplier color: Soot 95% cotton, 5% elastane

The design is lovely and timeless, but the way the dress sits at an intersection of Hollywood and royalty makes it particularly evocative and very much an aspirational fantasy piece for many brides, says Lorenzo Marquez, author, podcaster, and cofounder of fashion and culture website, Tom + Lorenzo

New Game Plus Variant: The Cybernetic Suit is a yellow-and-black variant of the Cybernetic Dress with a black-plated arm, also found from Roxanne's selection in New Game Plus

The vibe: Chic and sophisticated, yet of the moment Size range: Varies by designer Price level: Midrange to high end Shipping: Free two-day shipping Return window: Within 28 days from delivery date Bets for: Splurging a bit on a dress that's unique and thoughtful without feeling too esoteric 31

From Refinery29 reader-favorite brands like Reformation, LoveShackFancy, Farm Rio, and Simon Miller to luxury designers like LaPointe, Jason Wu, and Zac Posen, ahead, the only wedding guest dresses you need this season