Height, for the eye, is mostly a matter of line. Six choices — most of them drafted into the dress before you ever put it on — that elongate a petite frame in flats, sandals, or bare feet.

The instinct, if you're 5'2", is to reach for the four-inch heel. And heels do work — for the two or three hours you can stand in them. The more durable answer lives in the dress itself.
Every one of the choices below adds visible length before a shoe is chosen. Put them together and a petite wearer in flat sandals will read taller than the same wearer in heels and the wrong silhouette.
The eye reads leg length from the waist seam down — not from the hip. A waistline raised even half an inch above the natural waist adds visible inches to the leg line. The single most powerful drafting choice for looking taller.
The most elongating hems land where the body is already narrowing: just above the ankle, just below the knee, or high on the thigh. Hems that cut across the widest part of the calf or the middle of the thigh shorten instantly.
A monochrome column — dress and shoe in the same tonal family — reads as one long line. High contrast at the ankle or waist creates a visual break that shortens the frame. A blush dress with a nude sandal will always look taller than the same dress with a black shoe.
A center-front placket, a long V, a wrap tie that falls from the waist, vertical lace panels, a front slit — anything that draws the eye up and down rather than across. A wide horizontal sash or contrast belt does the opposite.
A shoe that covers the arch or cuts across the ankle visually amputates the leg. A pointed flat, a low d'Orsay, a strappy sandal that leaves the top of the foot exposed extends the leg line without a heel. If you're barefoot in a photograph, the effect is even stronger.
A giant floral, an oversized bow, a wide ruffle — beautiful details on a taller canvas, overwhelming on a shorter one. Smaller repeats and narrower trims keep the proportions in your favor and quietly add height by removing visual clutter.
None of this is about pretending to be taller than you are. It's about not accidentally cutting yourself in half — with a low waist seam, a horizontal hem, a chunky ankle strap, a print that was drawn for someone six inches taller. Remove the interruptions and the frame reads as it is: long, proportional, and quietly elegant, with or without a heel.
Raised waists, tapered hems, and detail scaled for petite proportions — every choice above is built into the Nectar collection before it reaches you.