vest dress Black and Ivory Square Neck Midi through detail M.M.LaFleur Women's Blanca Vest Dress

This shirt has a broad, boxy fit, including through the armholes

"It's the kind of dress that slots perfectly into real life whether you're running late to a meeting, grabbing coffee with a friend, or realizing you forgot to buy a gift on the way to a birthday dinner," Moss wrote about this dress

This casual midi dress from budget-friendly fashion store Lulus features a mock neck and comfy elasticated waist

When wearing pants to an event that calls for cocktail attire, opt for a fabric that's dressier

Reading the venue first makes every other choice clearer

Please watch parts 1 and 3 for the other two dresses, and let me know your fave