Body Shape Guide

How to Dress Rectangle Body Shape to Create Curves

Master styling techniques that add definition and create beautiful curves for your rectangle body shape—the most common body type among women.

Published December 6, 2025 • 12 min read

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Understanding the Rectangle Body Shape

The rectangle body shape, also called the straight or athletic body type, is the most common body shape—approximately 46% of women have this shape. Your shoulders, waist, and hips are roughly the same width, creating a straight silhouette without significant curves.

While fashion advice often focuses on hourglass figures, the rectangle shape has many advantages: clothes fit easily, you can wear almost any style, and you have a naturally balanced frame. The styling goal is to create the illusion of curves by adding volume strategically.

The Science of Creating Curves

Creating curves on a rectangle body is about optical illusion. You need to make the waist appear smaller by making the shoulders and hips appear larger. This is achieved through three key techniques:

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Add Shoulder Volume

Puff sleeves, structured shoulders, statement tops

Define the Waist

Belts, peplums, fitted styles at the natural waist

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Add Hip Volume

A-line skirts, wide-leg pants, pleated bottoms

Best Tops for Rectangle Body Shapes

The key to flattering tops is adding visual interest and dimension to your upper body while creating waist definition.

Peplum Tops

Peplum tops are perfect for rectangle shapes. They cinch at the waist and flare out over the hips, creating the illusion of curves where there are none. Choose peplums that hit at the hip bone for maximum effect.

Puff Sleeve and Statement Sleeve Tops

Volume at the shoulders creates the first point of your X-shape silhouette. Puff sleeves, bishop sleeves, and balloon sleeves all work beautifully to broaden the shoulder line.

Wrap Tops and Ruched Styles

The diagonal lines of wrap tops create visual curves, while ruching adds texture and the appearance of dimension. These styles are particularly effective when paired with high-waisted bottoms.

Wear These

  • • Peplum tops and jackets
  • • Off-shoulder and one-shoulder styles
  • • Ruffled and tiered tops
  • • Sweetheart and scoop necklines
  • • Crop tops with high-waisted bottoms
  • • Structured blazers with defined shoulders

Avoid These

  • • Boxy, shapeless tops
  • • Straight-cut tunics without definition
  • • High necklines without other details
  • • Very fitted tops without volume elements
  • • Long straight tops that hide the waist

Best Bottoms for Rectangle Body Shapes

Your lower half needs volume and detail to create the bottom half of your hourglass illusion. High-waisted styles are essential for defining the waist.

High-Waisted Wide-Leg Pants

Wide-leg pants add volume to your lower half while the high waist creates definition. Paper-bag waist styles are particularly effective as the gathered waist adds extra visual interest.

A-Line and Full Skirts

Skirts that flare from the waist add necessary volume to the hip area. Pleated skirts, circle skirts, and tulip skirts all create beautiful curves.

Cargo Pants and Detailed Bottoms

Unlike other body shapes that may avoid cargo pockets, rectangle shapes can embrace them! The added bulk at the hips creates curves. Look for cargos with side pockets rather than thigh pockets for the best effect.

Best Dresses for Rectangle Body Shapes

The Rectangle Dress Formula

The ideal dress for a rectangle shape should:

  • ✓ Define or create a waistline
  • ✓ Add volume through the skirt or details
  • ✓ Include visual interest (prints, textures, layers)
  • ✓ Avoid being too fitted or too shapeless

Fit and Flare Dresses

The fitted bodice creates waist definition while the flared skirt adds volume to the lower half. This silhouette is universally flattering for rectangle shapes.

Wrap Dresses

The wrap creates an instant waist while the V-neckline elongates the torso. The diagonal lines add curves through optical illusion.

Belted Shirt Dresses

A classic shirt dress becomes curve-creating when cinched with a belt at the natural waist. Add a full skirt version for extra volume.

Color Blocking for Curves

Strategic use of color can create the illusion of curves even in simple outfits. The key is using darker colors at the waist and lighter or brighter colors at the shoulders and hips.

Color Blocking Examples

  • Option 1: White top + dark belt + white/light skirt
  • Option 2: Bright top + dark high-waisted pants
  • Option 3: Color-blocked dress (dark middle, light top/bottom)

Building a Rectangle Shape Capsule Wardrobe

Create a versatile wardrobe that works for your body shape by focusing on curve-creating essentials that mix and match easily.

Get Your Personalized Capsule Wardrobe

Take our style quiz to discover your personal style and get a customized capsule wardrobe plan based on your body shape.

Frequently Asked Questions

What is a rectangle body shape?

A rectangle body shape is characterized by shoulders, waist, and hips that are roughly the same width. There is minimal waist definition, creating a straight silhouette from shoulders to hips. This is also known as a straight or athletic body type.

How can I create curves with a rectangle body shape?

Create curves by adding volume at the shoulders and hips while defining the waist. Use peplum tops, puff sleeves, A-line skirts, and belted pieces. Color blocking and strategic use of patterns can also create the illusion of curves.

What clothes flatter a rectangle body shape?

Flattering choices include peplum tops, wrap dresses, high-waisted wide-leg pants, A-line skirts, and structured blazers. Look for pieces that create definition at the waist while adding volume to shoulders and hips.

Should rectangle body shapes wear belts?

Yes, but strategically. Instead of simply belting a straight dress, wear high-waisted bottoms with fitted tops tucked in, or choose pieces with built-in waist definition like wrap dresses or peplum styles.

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