elegant black evening dresses | Satin, Cocktail & Formal Styles high slit adds movement and modern appeal Soft Black Sweetheart Overskirt Long Evening

And if you cant pick one, why not wear them all

Defined waist seam and full A-line skirt in midi length hitting at mid-calf

Eliza J floral metallic fleck high-low dress, $188, Nordstrom Mauve midi dress If you're really not sure how to dress for the rehearsal dinner, play it safe by choosing an outfit that walks the line between formal and semi-formal

#NSALE STYLE: WEAR NOW | WEAR LATER This is the perfect wear now option for this dress

Indeed, Caroline may well have been wearing this gown (or one just like it) when she gave birth

Sachin & Babi Pema dress, $225, Anthropologie Allover ruching on this dress hugs your curves to create a gorgeous hourglass shape, while the off-the-shoulder corset bodice highlights your shoulders and dcolletage