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Size guide
Please note: Billy J sells many brands / labels. Please refer to individual listings for further fit advice.
cm
inch
| SIZE | AUS | US | UK | |||
| XXS | 4 | 0 | 4 | |||
| XS | 6 | 2 | 6 | |||
| S | 8 | 4 | 8 | |||
| M | 10 | 6 | 10 | |||
| L | 12 | 8 | 12 | |||
| XL | 14 | 10 | 14 | |||
| XXL | 16 | 12 | 16 | |||
| 3XL | 18 | 14 | 18 | |||
| 4XL | 20 | 16 | 20 | |||
| 5XL | 22 | 18 | 22 |
If you would like further assistance with sizing, our customer service team are more than happy to help! Please contact us here
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The Sia Maxi Dress in Chocolate combines elegance with practical design. This maxi-length dress features a refined high neckline and delicate adjustable straps for a customised fit. An invisible side zip ensures a seamless silhouette, while the adjustable back strap and graceful cowl back create a sophisticated drape. Fully lined for comfort and confidence, this versatile piece transitions effortlessly from day to evening occasions.
Please note: This item is exclusively available online only
Product Details:
“Want to mix and match dresses? The following styles match this colour:”
Andie Maxi Dress - Chocolate, Auria Off Shoulder Maxi Dress - Chocolate, Chiara Maxi Dress - Chocolate, Esther Maxi Dress - Chocolate, Eva Maxi Dress - Chocolate, Gigi Maxi Dress - Chocolate, Grace Halter Maxi Dress - Chocolate, Halle One Shoulder Maxi Dress - Chocolate, Ilana Maxi Dress - Chocolate, Sia Maxi Dress - Chocolate, Victoria Maxi Dress - Chocolate, Ziah Maxi Dress - Chocolate
Please note: Each style of our bridesmaid collection is individually dyed and as such, we unfortunately cannot guarantee the same colour or tone will match for different styles. This includes styles that are restocked, as there can be colour differences between productions. To avoid this, we recommend that our brides purchase their bridesmaid dresses within the same order so we can ensure they are from the same collection/batch. We apologise if this causes any inconvenience however, we will always do our best to accommodate where possible.
“Want to mix and match dresses? The following styles match this colour:”
Andie Maxi Dress - Chocolate, Auria Off Shoulder Maxi Dress - Chocolate, Chiara Maxi Dress - Chocolate, Esther Maxi Dress - Chocolate, Eva Maxi Dress - Chocolate, Gigi Maxi Dress - Chocolate, Grace Halter Maxi Dress - Chocolate, Halle One Shoulder Maxi Dress - Chocolate, Ilana Maxi Dress - Chocolate, Sia Maxi Dress - Chocolate, Victoria Maxi Dress - Chocolate, Ziah Maxi Dress - Chocolate
Liv wears a size XL -
Height: 171cm/5’7”
Bust: 107cm/42in
Waist: 84cm/33in
Hips: 113cm/44in
Milly wears a size S -
Height: 173cm/5’8”
Bust: 81cm/32in
Waist: 64cm/25in
Hips: 94cm/37in
US Policy:
Within 30 Days: Store Credit
Alternate Bridal Policy:
Order 3 or more dresses from our Bridesmaid collection in one transaction, return for a full refund within 30 days of delivery (postage excluded).
Click here for further information on our Alternate Bridal Policy.
Please note: Items marked as "Final Sale" remain subject to our standard Final Sale policy and cannot be returned or exchanged.
For all information regarding our returns policy, please visit -www.billyj.com.au/pages/returns
Billy J's warehouse is based in Queensland, Australia. Please see shipping information below:
US Orders
3-5 BUSINESS DAYS EXPRESS
Free express shipping to the US on orders over $200 USD.
$15 USD for orders to the US under $200 USD.
Prices inclusive of Duties. Taxes calculated at checkout.
Billy J delivers internationally. For more info on delivery locations click here.
Please note: Express Shipping timeframes do not take into account the packing time at our warehouse. Typically we dispatch within 1-2 business days.
Overall rating: 4.9142857 / 5 from 70 reviews.
The Sia Maxi Dress is celebrated for its elegant design and practical features, including a high neckline, adjustable straps, and an invisible side zip. Customers appreciate its true-to-size fit, high-quality material, and beautiful color, making it a versatile choice for various occasions.
Review topics: [].
"I wore this dress to a wedding and got so many compliments. The backless part is so flattering and the tightness is adjustable! The color is also very pretty. I am 5’1, 118lbs and got a size 4. Used some hemming tape so it was easy to shorten the length."
"Adored this dress, fit perfectly and the most gorgeous colour"
"This dress is absolutely gorgeous. The butter yellow color is the perfect balance of bold and unique, yet elegant and classy. Luckily it fit like a glove right out of the package for me. I love the beautiful open-back and the subtle mermaid style bottom. I've had such good luck with Billy J dresses in general - it has become my tried & true place to shop for wedding guest dresses and other semi-formal/formal events. This dress was yet another success story for me and I'm so excited to wear it!"
"The dress looks basically as pictured online, it looks very pretty on and is a pretty dress in general. My only small complaint is that the part in the back goes down a little more than what I thought"
"The color and style of this dress is so pretty. I am 5’5”, 135lbs and I ordered the olive color in an AU 8. It fits perfectly and I can’t wait to wear it to my friend’s wedding!"
"Nice dress, the style just means it has adjustable straps that are visible on the shoulders and back"
"Lovely material and cut. My friend and I both fit the 12 but preferred the fit of the 14. The back was rather low on the 14 so wouldn't suit spanx but could work on the 12 as it was a tighter fit."
"Loved. The adjustable straps help with making it fit perfectly."
"It is stunning but may be too close to white to wear to a wedding"
"This dress was perfect for the wedding I got it for. I’ll definitely keep this in my rotation for future weddings, gorgeous butter yellow, very flattering, I loved the feature that snatches waist as much or little as you adjust it to. 10/10 quality"
Overall rating: 4.9142857 / 5 from 70 reviews.
The Sia Maxi Dress is celebrated for its elegant design and practical features, including a high neckline, adjustable straps, and an invisible side zip. Customers appreciate its true-to-size fit, high-quality material, and beautiful color, making it a versatile choice for various occasions.
Review topics: [].
"I wore this dress to a wedding and got so many compliments. The backless part is so flattering and the tightness is adjustable! The color is also very pretty. I am 5’1, 118lbs and got a size 4. Used some hemming tape so it was easy to shorten the length."
"Adored this dress, fit perfectly and the most gorgeous colour"
"This dress is absolutely gorgeous. The butter yellow color is the perfect balance of bold and unique, yet elegant and classy. Luckily it fit like a glove right out of the package for me. I love the beautiful open-back and the subtle mermaid style bottom. I've had such good luck with Billy J dresses in general - it has become my tried & true place to shop for wedding guest dresses and other semi-formal/formal events. This dress was yet another success story for me and I'm so excited to wear it!"
"The dress looks basically as pictured online, it looks very pretty on and is a pretty dress in general. My only small complaint is that the part in the back goes down a little more than what I thought"
"The color and style of this dress is so pretty. I am 5’5”, 135lbs and I ordered the olive color in an AU 8. It fits perfectly and I can’t wait to wear it to my friend’s wedding!"
"Nice dress, the style just means it has adjustable straps that are visible on the shoulders and back"
"Lovely material and cut. My friend and I both fit the 12 but preferred the fit of the 14. The back was rather low on the 14 so wouldn't suit spanx but could work on the 12 as it was a tighter fit."
"Loved. The adjustable straps help with making it fit perfectly."
"It is stunning but may be too close to white to wear to a wedding"
"This dress was perfect for the wedding I got it for. I’ll definitely keep this in my rotation for future weddings, gorgeous butter yellow, very flattering, I loved the feature that snatches waist as much or little as you adjust it to. 10/10 quality"
