pink maxi dress lace A-LINE SPAGHETTI STRAPS GLITTER IN Silver clasp closure at back Zoi Lace Halter Maxi Dress

For men, a black tuxedo or suit paired with a white dress shirt and black shoes is a traditional and polished look

GET THE LOOK SHOP Belted midi dress, 39.20, J by Jasper Conran @ Debenhams SHOP Wrap dress, 179, Ted Baker SHOP Lace puff-sleeve dress, 300, Rotate Birger Christensen @ My Theresa Here's hoping that it's all waterproof, not only to withstand the wet London weather but also because the engagement will be very emotional for herself and Prince William

Then opt for the short versions to make an effortlessly-elegant, summer ensemble

20 Best Summer Sundresses to Add to Your Warm-Weather Rotation Perfect for frolicking, FYI