Luna Slit Maxi Dress

Regular price $159.95 AUD Sale price$39.95 AUD Save 75%
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  • Free shipping with Australia Post
  • Delivery time: 6–8 days
  • 30 Days Money Back Guaranteed
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SALE UPDATE: Due to high order volume, our stock is very limited... If you are still able to press the 'Add to Cart' button, there's still some stock left!

Own every moment with Luna – a sleek, flowy maxi that brings bold simplicity to your look. With its deep V-neckline and effortless side slit, this piece moves with confidence. From spontaneous brunches tot late-night city lights, Luna is always ready.

Why this dress is perfect for you

✔ Deep V-neckline that elongates and flatters your upper body
✔ Stylish side slit that adds movement and subtle allure
✔ Lightweight, breathable fabric for all-day comfort
✔ Flowy silhouette with a relaxed, feminine drape
✔ Perfect to dress up or down – heels, flats, or just bare feet


Style details

Material: Soft, breathable fabric blend
Fit: Relaxed with soft definition
Neckline: Deep V-neck
Length: Maxi with side slit
Occasion: Day-to-night versatility
Care: Machine wash cold, gentle cycle. Hang to dry.

With the Billie dress, you'll always feel stylish, confident, and ready for anything.

Size UK Size Length (cm/in) Bust (cm/in) Shoulder (cm/in) Waist (cm/in)
S 8 125 / 49.2 96 / 37.8 38 / 15.0 64–100 / 25.2–39.4
M 10 126 / 49.6 100 / 39.4 39 / 15.4 68–104 / 26.8–40.9
L 12 127 / 50.0 106 / 41.7 40 / 15.7 72–108 / 28.3–42.5
XL 14 128 / 50.4 112 / 44.1 41 / 16.1 76–112 / 29.9–44.1
2XL 16 129 / 50.8 118 / 46.5 42 / 16.5 80–116 / 31.5–45.7
3XL 18 130 / 51.2 124 / 48.8 43 / 16.9 84–120 / 33.1–47.2

We offer free shipping on all orders. Typically, it takes 1–3 business days to prepare and ship your order.

After your order is dispatched, you'll receive a confirmation email with a tracking number, allowing you to follow your package’s journey. You can also track your order anytime on the Track Your Order page.

We offer a 30-day return or exchange policy if you are not satisfied with your order for any reason. For more information, see our Return Policy here.

Our customer service is available 24/7 to answer all your questions and comments. Whether you need advice on a product or help with an order, we are here to support you.

Don’t hesitate to contact us: we’re happy to help!

30-Day Guarantee

Not in love with it? Return within 30 days for a full refund. Simple as that.

Free shipping

Every parcel includes full track & trace, so you’ll know exactly where your order is at all times.

30-DAY MONEY BACK GUARANTEE

At Millie Boutique, we want you to love every piece you choose. If it’s not quite right, simply return it within 30 days for a full refund.

24/7 CUSTOMER SERVICE

Our team is here for you. Email us at info@millieboutique.com

Loved by Women Across Australia

★★★★★

I wasn’t sure about the size but it fits perfectly and shapes beautifully. You can feel the quality straight away.”

Isla P.
Perth, WA
★★★★★

Such beautiful quality, the fabric feels expensive and falls perfectly. I wore it to brunch with the girls and got so many compliments.

Amelia R.
Sydney, NSW
★★★★★

Elegant and flattering without being too much. I wore it to a family dinner and everyone asked where I got it from.

Chloe T.
Melbourne, VIC
★★★★★

This piece makes me feel so confident. The colour is rich, the stitching perfect .

Georgia L.
Gold Coast, QLD
★★★★★

Comfortable, flattering, and perfect for a weekend with friends. You can easily dress it up or keep it casual.

Zara W.
Sunshine Coast, QLD