classic dress shirts Men's Patrick James Fit Easy Care Shirt, Light Blue Introducing the Vercini Savile Row Classic Shirt Classic Spread Collar Pencil Stripe

A Classic Strapless Midi Dress ba&sh Ben Long Dress ($333, originally $475) When they say keep it simple, they were likely referring to ba&sh's strapless midi dress

This star-style maternity gown blends understated glamour with boho chic in an abundance of soft crinkle chiffon that skims your bump for a flattering silhouette

You can dress it up with tailored trousers and loafers for a refined look or keep it casual with shorts and sandals

Pros: Quality fabric Perfect fit Comfort Softness Warmth Women's Premium Washable Linen Pull-On Pants A pair of white, solid linen pull-on pants with a soft feel, adjustable drawstring, and side pockets

Below, were listing the must-have silhouettes for your formal look (plus a few of our favorite pieces!)