PrettyLittleThing—known as PLT—is one of the UK’s most recognisable fast fashion brands, serving up bodycon dresses, influencer-approved co-ords, and runway-inspired fits at low prices. From festival drops to glam loungewear and curve collections, PLT has made trend-led fashion instantly accessible. But with all that variety comes one consistent question: Does PrettyLittleThing run big or small?

📌 Here’s the short answer: Tellar.co.uk matches your real measurements to PrettyLittleThing—and thousands of other brands—with a free one-time setup. You’ll receive a free measuring tape, and we’ll handle the size conversion, fit comparison, and product accuracy—so you never need to check a size chart again.

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What’s the Fit Like at PrettyLittleThing?

PLT caters to a wide audience across categories:

• Standard sizing (UK 4–30)

• PLT Plus, Tall, Petite and Maternity collections

• Trend-driven styles that change weekly

• Stretchy, body-conscious materials

Because the brand releases new items so frequently, sizing can be inconsistent across fabrics, categories, and even colourways. That’s why having your body measurements matched to PLT’s real fit data (via Tellar) makes a real difference.

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So, Does PrettyLittleThing Run Big or Small?

Overall: PrettyLittleThing runs small, especially in fitted dresses, trousers and bodycon styles. Their oversized items often run large by design, but many pieces lack stretch in key areas like bust, hip and waist.

For Dresses:

• Bodycon and slinky dresses: Run tight and short, especially on curvy figures

• Wrap and ruched styles: Offer more forgiveness

• Mini dresses: Often very short, especially on tall or pear-shaped bodies
  ➡️ Fit tip: Size up if you’re between sizes or fuller in the hips or bust

For Tops:

• Corsets, crops, halters: Usually fitted and structured

• T-shirts and sweatshirts: Often oversized
  ➡️ Fit tip: True to size in relaxed tops—size up in corset styles

For Trousers & Skirts:

• Wide-leg and straight trousers: Waist fits small, especially in woven fabrics

• Mini skirts and denim: Often run tight and short
  ➡️ Fit tip: Size up if you have a curvier lower half

For Outerwear & Loungewear:

• Coats and puffers: Cut generously for layering

• Tracksuits: True to size or oversized
  ➡️ Fit tip: Stick with your regular size unless styling oversized

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PLT’s Size Guide vs Real Fit

Although PrettyLittleThing uses standard UK sizing, their clothing is made to flatter slim, hourglass shapes, and often comes up smaller than the label suggests.

📏 Instead of second-guessing, use Tellar now and get your PrettyLittleThing fit based on bust, waist, hips and height.

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How Fabric Affects Sizing at PrettyLittleThing

Fast fashion often changes fabric quality and cut week to week—but here’s a general guide:

🧵 Polyester & Satin

• Common in dresses, co-ords, and blouses

• No stretch—tight across bust and hips

• Fit tip: Size up if curvy or between sizes

🧶 Jersey & Ribbed Knit

• Used in loungewear, bodycon dresses, and basics

• Figure-hugging with flexibility

• Fit tip: True to size—size down for a sculpted fit

👖 Denim & Faux Leather

• Can feel stiff or restrict movement

• Varies between collections

• Fit tip: Size up in trousers or fitted skirts

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Bestselling PLT Items & How They Fit

1. Basic Slinky Racer Dress

A staple for nights out—tight, short and ultra-fitted.

➡️ Fit tip: Runs small—size up for length and bust coverage.

2. Faux Leather Split Hem Trousers

High-waisted, flattering shape, but limited give.

➡️ Fit tip: Tight through thigh and waist—size up one.

3. Oversized Graphic Tee

Baggy fit by design, often worn as a dress.

➡️ Fit tip: True to size for oversize effect—size down for a neater cut.

4. Ruched Side Mini Skirt

Stretch jersey with adjustable side ruching.

➡️ Fit tip: Runs short but flexible—stick to your regular size

5. Structured Corset Tops

Often non-stretch with hook-and-eye or zip closure.

➡️ Fit tip: Size up if fuller-busted or broad in the shoulders

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PLT Compared to Other Fast Fashion Brands

🎯 Use Tellar to compare all these brands now

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Common Fit Complaints (And How Tellar Fixes Them)

❌ “The dress fit my waist but rode up constantly.”
Tellar adjusts for height and hip ratio—so your dress actually fits your body.

❌ “I’m between an 8 and 10—nothing ever fits properly.”
We use your real measurements, not just size labels, to give you a precise answer.

❌ “The Curve collection is tight across my bust.”
Tellar takes bust-to-waist proportions into account, essential for finding the right fit in Curve or Petite lines.

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Why Use Tellar Before Buying from PrettyLittleThing?

PLT pieces are designed to stand out, not stretch out—and that means your fit needs to be accurate. With Tellar.co.uk, you get:

• ✅ Personalised size recommendations for PrettyLittleThing + thousands of brands

• ✅ A free soft measuring tape posted to your door

• ✅ Instant conversion from UK to international sizing

• ✅ One saved profile = sizing help for life

• ✅ Always free—no upsells, no confusion

🎯 Create your Tellar profile now

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Related Sizing Guides from Tellar

• Boohoo Sizing Guide

• Missguided Fit Breakdown

• Reformation Sizing Explained

• How to Measure Yourself for Fast Fashion

• Top Brands That Run Small—What to Know

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Follow Tellar for Weekly Fit Guides, Trend Drops & Brand Comparisons

• 📍 Instagram @Tellarsizing

• 📍 Twitter (X) @Tellar100

• 📍 Pinterest

• 📍 Facebook Page

We post weekly updates on fit, fashion sizing, and what to expect from new drops.

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Final Thoughts: PrettyLittleThing Runs Small—So Fit Smarter, Not Harder

PLT offers affordable, eye-catching fashion—but the sizing isn’t always predictable. Tight fits, short lengths and changing fabrics make it hard to know what size will work on your body.

Tellar.co.uk solves that. We’ve already mapped out the size logic behind thousands of brands—including PrettyLittleThing—so you can shop confidently, no matter the cut.

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“Find your size in thousands of brands. It’s free & easy.”
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