What payment methods can I use?

We offer a range of secure and convenient payment methods to make your shopping experience seamless. Here’s what we currently accept: Credit or Debit Cards: We welcome all major credit and debit cards, including Visa, Mastercard, and American Express. Mobile Payment Services: You can also use Apple Pay, Shop Pay, or Google Pay for a quick and easy checkout. Gift Cards or Store Credit: Have a gift card or store credit from us? You can use it towards your purchase.

ISABELLA | CLASSIC LONG-SLEEVE JUMPSUIT – ELEGANT & TIMELESS

Name: ISABELLA | CLASSIC LONG-SLEEVE JUMPSUIT – ELEGANT & TIMELESS
Brand: Millie & Harper
Price: 39.99 GBP
Availability: InStock

£110.00 £39.99 Save 64%

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30-Day Money-Back Guarantee

10% off for 2 items, 15% off for 3+ items

Colour — Deep Gray

Deep Gray

Low stock - 5 pieces left

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ANNIVERSARY SALE ENDS TONIGHT

UP TO 80% OFF

10% EXTRA on 2 items -

15% EXTRA on 3 items -

20% EXTRA on 4 items -

25% EXTRA on 5 or more items!

Isabella | Classic Long-Sleeve Jumpsuit – Elegant & Timeless

The Isabella Jumpsuit embodies pure sophistication and timeless allure. With its sleek tailored cut and rich black tone, it’s the perfect statement piece for women who value elegance and confidence. The fitted bodice and structured collar accentuate the silhouette, while the belt adds a refined finishing touch.

✔ Luxurious texture – soft yet structured fabric with a smooth finish
✔ Defined waist – belt accentuates a feminine and polished look
✔ Classic design – long sleeves and button-down front for timeless appeal
✔ Flattering full length – elongates the figure and adds graceful movement
✔ Versatile sophistication – ideal for work, dinner, or evening events

Chic, confident, and endlessly elegant — the Isabella Jumpsuit turns every moment into a statement of style.

NOTE: THIS JUMPSUIT DOES NOT COME WITH THE BELT IT IS FOR DECORATION

Loved by Women Across the UK

★★★★★
Beautifully crafted pieces and such smooth delivery — shopping with Ivy & Sophie was an absolute delight.

Senna
Leeds, UK

★★★★★
After my first order, I knew I had to come back — every piece from Ivy & Sophie feels timeless and special.
Emma
Glasgow, UK

★★★★★
My order arrived so quickly and the packaging was stunning — Ivy & Sophie really knows how to impress!

Maureen E
Manchester, UK

★★★★★
Ivy & Sophie truly exceeded my expectations — elegant styles, perfect fit, and super speedy delivery!

Lisa
London, UK

★★★★★
Ivy & Sophie has mastered timeless style — my set looks chic, feels luxurious, and fits like a dream.

Emily
Wales, UK

★★★★★
I bought a dress from this store and wow — it’s absolutely amazing! The quality is great, it fits perfectly, and I’ve received so many compliments already. Super happy with my purchase!

Maureen
Wales, UK

Combine and get up to 25% extra off

25 Year Anniversary Sale – Timeless Elegance, Celebrated Together

This year, Millie & Harper London celebrates a milestone we once only dreamed of — 25 years of timeless style, confidence, and community.

What began as a passion has grown into a brand trusted by thousands of women who value comfort, refined elegance, and pieces that stand the test of time. Women like you.

To honour this journey — and to thank you for every order, every kind word, and every season you’ve shared with us — we’re celebrating with our biggest Anniversary Sale ever.

For a limited time, enjoy exclusive anniversary savings across a carefully curated collection designed to bring warmth, sophistication, and effortless elegance to your wardrobe.

Millie & Harper is more than a boutique.

It’s a community built on confidence, beauty, and timeless fashion — made possible because of you.

Celebrate 25 years with us.

FREE SHIPPING

Orders in the United Kingdom are always shipped for free and insured with track & trace.

30-DAY MONEY-BACK GUARANTEE

At Ivy & Sophie , you can shop with peace of mind thanks to our 30-day money-back guarantee. Simply return your items within 30 days.

secure checkout

At Ivy & Sophia, you can securely and conveniently pay for your order using Credit Card.

FAQs

We use a return period of 30 days during which the customer may return his or her package without giving any reason. These 30 days start when the package is received. Please note that the return shipment must be sent back to us within these 30 days.

We’re committed to processing and shipping your orders quickly within 24 to 48 hours of placing them.

Once your order is on its way, you’ll receive a friendly email notification with tracking details. This will allow you to easily follow the journey of your package as it makes its way to you. You can click to track your order when you have received the order details

We offer a range of secure and convenient payment methods to make your shopping experience seamless. Here’s what we currently accept:

Credit or Debit Cards: We welcome all major credit and debit cards, including Visa, Mastercard, and American Express.
Mobile Payment Services: You can also use Apple Pay, Shop Pay, or Google Pay for a quick and easy checkout.
Gift Cards or Store Credit: Have a gift card or store credit from us? You can use it towards your purchase.

At Millie & Harper, customer satisfaction comes first. That's why we keep you constantly updated on your order and always offer free shipping. We use the reliable delivery services of Royal Mail.

For any press enquiries, please contact us at support@millieandharper.co.uk

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