formal summer dresses Prettygarden Women's Long Wedding Guest Dress Sleeveless Ruffle Cocktail Party Maxi Bodycon Dresses, Size: XL, Orange Making You Look Charming And Attractive 5 formal dresses that will

Whether its charcoal grey trousers with a black blouse or a light grey sweater with black jeans, the combination is understated yet elegant

Shown Color: Navy Blue

Jennifer Walked the Red Carpet in a Stunning Black Gown She Gave a Speech Wearing a Pair of '70s-Inspired Glasses Haider Ackermann Sweetheart Neck Gown Haider Ackermann Sweetheart Neck Gown ($720, originally $2,398) ASOS Tall Square Neck City Maxi Eloquii Deep V Gown Eloquii Deep V Gown ($140) Zara Draped Lingerie Dress Halston Heritage Mesh-Inset Crepe Gown Lulus Mine Backless Trumpet Gown Brandon Maxwell Sleeveless Drape-Back Column Evening Gown Rick Owens DRKSHDW Sleeveless Long Dress Rick Owens DRKSHDW Sleeveless Long Dress ($108, originally $358)

Image: Pinterest No one did glamorous gowns quite like Monroe

If you're keeping it casual, choose an unstructured overshirt and T-shirt or a merino jumper in a tonal shade