SUMMER SALE | Free Shipping + Up to 50% Off Sitewide
SUMMER SALE | Free Shipping + Up to 50% Off Sitewide
SUMMER SALE | Free Shipping + Up to 50% Off Sitewide
SUMMER SALE | Free Shipping + Up to 50% Off Sitewide
SUMMER SALE | Free Shipping + Up to 50% Off Sitewide
SUMMER SALE | Free Shipping + Up to 50% Off Sitewide
SUMMER SALE | Free Shipping + Up to 50% Off Sitewide
SUMMER SALE | Free Shipping + Up to 50% Off Sitewide
SUMMER SALE | Free Shipping + Up to 50% Off Sitewide
Sierra | Polka Dot Elegant Mini Dress
Sierra | Polka Dot Elegant Mini Dress
Sierra | Polka Dot Elegant Mini Dress
Excellent 4.7

Sierra | Polka Dot Elegant Mini Dress

Regular price £80.00 Sale price£39.95 Save 50%
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Free Tracked Shipping with Royal Mail
30-Day Money-Back Guarantee
Buy 2 get 10%, buy 5+ get 25%
local_offer LIMITED SUMMER SALE
Limited pairs available during our Summer Sale ✨
Colour
Size
Runs small True to size Runs large
stock Only 4 left in stock.
SUMMER Bundle Deals
Stack & save across all styles. Discount auto-applies at checkout.
Buy 2 pieces Extra 10% off
Buy 3 pieces Extra 15% off
Buy 4 pieces Extra 20% off
Buy 5+ pieces Extra 25% off
If you can add it to cart, it's still in stock.

Shine with confidence in a dress that captures light—and attention—with every move.

The Sierra dress blends playful charm with refined femininity. Its subtle gold polka dots and flattering mini cut create a look that’s lively yet sophisticated, designed to make you feel radiant, confident, and beautifully seen.

Flattering Feminine Shape
Gently tailored to define the waist while allowing natural movement, the Sierra dress enhances your silhouette without feeling restrictive. You’ll feel poised, pretty, and completely comfortable.

Delicate Gold Detailing
Soft shimmer from the gold polka dots adds a touch of understated glamour. It’s eye-catching yet elegant—perfect for those moments when you want to glow, not glitter.

Light and Playful Comfort
The airy, soft-touch fabric feels effortless on the skin, keeping you cool and confident from day to night. It’s style you can move in, breathe in, and truly enjoy.

Effortless Confidence
Slip it on and feel your mood lift instantly. The Sierra dress brings fun and sophistication together—because true elegance is about feeling as good as you look.

Add a touch of golden confidence—order your Sierra Dress now before it sells out.

Free UK Shipping + Tracking!

All orders in the UK include free shipping with a Track & Trace code, so you can monitor your order every step of the way. You'll receive your tracking code via email within 24-72 hours after placing your order.

We want you to be completely satisfied with your purchase. If you are not satisfied, you can return your order within 30 days.

Before returning the goods please contact our customer service at info@mona-boutique.com and let us know the reason for the return so we can process your request correctly.

Thousands of happy customers rate us 5 stars for our fast, friendly, and reliable service. Your satisfaction is always our top priority.

50K+ Happy Customers
Excellent 4.7

Your own words

Margaret Thornton

These boots are incredible comfortable from the very first wear. The height is just right, and they pair effortlessly with any outfit. I’m already thinking about getting another pair.

Verified
Margaret Thornton
Caroline Whitfield

I absolutely love this dress. The fit is incredibly flattering and really complements my shape, and the colors are beautiful. I wore it to a wedding and received so many compliments. The fabric has a nice stretch and sits comfortably without clinging where it shouldn’t.

Verified
Caroline Whitfield
Susan Hargreaves

So happy with this sweater! Soft fabric and the print is fun without being too much. Washes well and doesn't shrink. Wearing it constantly!

Verified
Susan Hargreaves
Patricia Bowman

Wore this to my son's wedding and felt gorgeous! The lace detail is elegant and it's lined so not see-through. Fit is forgiving and comfortable all night. The bag is also by Mona Boutique!

Verified
Patricia Bowman
Helen Bradshaw

My sister and I both ordered these matching sets with the bundle deals what a bargain! So comfy for lounging but cute enough to answer the door. We're already planning our next order together!

Verified
Helen Bradshaw
Gillian Forsythe

Finally found boots that actually fit my wide calves. They’re incredibly comfortable and don’t dig in at all. I love the sleek design, and they zip up easily. Total game changer.

Verified
Gillian Forsythe
Rosemary Kettlewell

This blouse is incredibly versatile. I can wear it to work or dress it down for the weekend. The linen fabric feels breathable, the buttons are well made, and the fit is true to size.

Verified
Rosemary Kettlewell
Judith Pemberton

Obsessed with this dress! The button detail is so chic. I'm 5'7" and it hits right below the knee. Perfect for summer events or church.

Verified
Judith Pemberton
Summer Sale Bundles!

Buy More, Save More.

For one day only, our Mona Boutique Circle gets exclusive access to Summer Bundle Deals on our most-loved pieces.

Whether you’re gifting a daughter, a sister, or treating yourself, today is the moment to secure the styles everyone has been asking about.

Buy 2 pieces → Extra 10% off
Buy 3 → Extra 15% off
Buy 4 → Extra 20% off
Buy 5+ → Extra 25% off

These bundles are summer-exclusive and live for today only once this offer ends, it won’t return.

And as always with Mona Boutique… when a style sells out, it’s gone for good.

Stock is limited. Today is the day.

FREE SHIPPING

Free delivery on all UK orders, every time. No minimum spend.

30 DAY RETURNS

Not the right fit? Return it within 30 days of delivery.

SUPPORT

Questions? Email us at info@mona-boutique.com. We reply within 24 hours, Mon–Sat.