Does PrettyLittleThing run small?
PrettyLittleThing runs small. Most shoppers size up from their usual size, especially in tops. UK fast fashion, runs small, size up one Check the category notes below for tops, bottoms, and outerwear specifically.
PrettyLittleThing generally runs small.
PrettyLittleThing uses UK sizing which runs about 1 size smaller than US.
Confidence: High, based on official size chart and shopper sentiment
Sizing overview
Most shoppers start one size up. Use the notes below to see where PrettyLittleThing feels slimmer, roomier, or more consistent across categories.
PrettyLittleThing runs small. UK sizing. Size up 1 from US.
Plain-language cut notes and examples below show where pieces usually feel closer, roomier, or most predictable.
GENERAL BRAND GUIDANCE
This is a general brand-level sizing summary, not an exact product recommendation. For your specific size, paste a product link into the fit checker.
PrettyLittleThing runs small. UK fast fashion, runs small, size up one
How to read PrettyLittleThing sizing
Sizing tendency
Most shoppers start one size up.
Consistency
High variation across categories.
Best check
Start with the category note, then check whether the cut is meant to feel structured or relaxed.
Variability and caveats
When PrettyLittleThing can feel different from the usual sizing tendency
Cut
Cut matters most when a piece is intentionally tailored or intentionally oversized.
Fabric stretch
Fabric stretch changes how strongly the sizing tendency shows up: more give softens it, less give makes it more obvious.
Styling
Different collections or sub-lines can use different fit blocks, so styling changes may matter as much as the label size.
PrettyLittleThing Sizing by Category
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Common questions about PrettyLittleThing sizing
Does PrettyLittleThing run small?
PrettyLittleThing runs small. UK fast fashion, runs small, size up one Most shoppers start one size up.
What size am I in PrettyLittleThing if I wear a Medium?
If you wear a Medium in standard contemporary sizing, plan to try a Large at PrettyLittleThing first, especially in structured or fitted pieces. Fit can vary across tops and dresses, so confirm against the specific category you are shopping.
Does PrettyLittleThing fit differently by category?
Yes. Fit varies by category at PrettyLittleThing, covering tops and dresses, since the same brand often cuts tops and dresses to different proportions.
Is PrettyLittleThing's size chart accurate?
PrettyLittleThing publishes an official size chart, and ThisFits cross-references it against real shopper fit reports. PrettyLittleThing shows high variation across categories, so the chart is a reliable starting point with adjustments based on cut.
What if I'm between sizes at PrettyLittleThing?
Since PrettyLittleThing tends to run small, sizing up usually means fewer returns when you are between sizes, especially for fitted tops and tailored bottoms.
How does PrettyLittleThing sizing compare to other brands?
PrettyLittleThing sizes similarly to Zara and COS, many customers prefer the next size up. Shoppers commonly compare PrettyLittleThing against other contemporary labels in the same category to translate sizes between brands they already wear.
Can I return PrettyLittleThing items if the size is wrong?
PrettyLittleThing typically accepts returns on unworn items with tags within the window stated on the order page or receipt. Policies vary by retailer and third-party sellers may differ, so confirm before ordering.