How to Measure Yourself
In order to work out which size you require you will first need to take your measurements. Use a measuring tape to measure the following points:

If you are unsure what size you require, we will be happy to offer the advice you need to help you decide. Please email help@promroyalty.com. If you get the wrong size we can collect it for just £3 and refund or exchange it within 7 days (UK customers only).
Size Chart
To see a size chart for your chosen dress please go to its page and click on the 'Work Out Your Size' button (indicated below by the pink arrow).

Please note, if you are ordering a ball gown/princess dress: The only measurement which is really important is your waist measurement.
If you are unsure what size you require, we will be happy to offer the advice you need to help you decide. Please email help@promroyalty.com. If you get the wrong size we can collect it for just £3 and refund or exchange it within 7 days (UK customers only).
Sizing FAQs
How long are the dresses?
The dresses measure 59 inches from throat to floor. To take your throat to floor measurement please see the above sizing guide. If you require any further help please email help@promroyalty.com.
What happens if I order the wrong size?
If you try on the dress and it is the wrong size contact us within 7 days of delivery and we can exchange it for another size. We will arrange to collect the dress by courier for just £3 and send out a replacement size for free (UK customers only).
My measurements are all different sizes, what should I do?
If you are ordering a ball gown style prom dress then order the size which best matches your waist measurement.
If you are ordering any other gown, order a dress in the same size as your biggest measurement
I want a size smaller than a UK 6 or larger than a UK 16
Sorry ,our dresses are currently only available in UK sizes 6 – 16.
Can I make a dress shorter?
Yes. The skirts of most styles can be shortened as much as you require. Mia can be shortened by a maximum of 8 inches due to beading along the bottom.
How long are the dresses?
The dresses measure 59 inches from throat to floor. To take your throat to floor measurement please see the above sizing guide. If you require any further help please email help@promroyalty.com.
What happens if I order the wrong size?
If you try on the dress and it is the wrong size contact us within 7 days of delivery and we can exchange it for another size. We will arrange to collect the dress by courier for just £3 and send out a replacement size for free (UK customers only).
My measurements are all different sizes, what should I do?
If you are ordering a ball gown style prom dress then order the size which best matches your waist measurement.
If you are ordering any other gown, order a dress in the same size as your biggest measurement
I want a size smaller than a UK 6 or larger than a UK 16
Sorry ,our dresses are currently only available in UK sizes 6 – 16.
Can I make a dress shorter?
Yes. The skirts of most styles can be shortened as much as you require. Mia can be shortened by a maximum of 8 inches due to beading along the bottom.