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One of the most common messages we receive at Arthur + Lucca isn't "I bought a dress, can you alter it?" It's "I'm thinking about buying this dress — what do you think?"
Brides ask us this constantly. About secondhand gowns with unknown alteration histories. About sample dresses several sizes too large. About gowns from a different silhouette they want to reshape. About necklines they want to change, sleeves they want to add, and corsets they want built in.
It's a smart question to ask before you spend the money. And the honest answer is almost always: it depends — but here's what to look for.
Every wedding gown alteration works within the limitations of the garment as it exists. We can take fabric in, let fabric out if there's seam allowance, shorten a hem, reshape a neckline, add structure, or build a bustle. What we cannot do is add fabric that isn't there, replicate designer-specific construction details that have been removed, or undo damage to a fabric that won't respond to cleaning.
This isn't a reason to avoid secondhand or sample gowns — we help brides with pre-owned dresses constantly and love giving them new life. It's simply a reason to ask the right questions before you commit.
Here are the questions that matter most.
This is the question we get asked most often about sample gowns and secondhand dresses. The short answer: taking a gown in by multiple sizes is possible in most cases, but the complexity and cost scale with the difference — and some silhouettes handle it better than others.
Taking a gown in (making it smaller) is generally more straightforward than letting it out, because you're working with excess fabric rather than creating fabric that doesn't exist. A gown that's two sizes too large can typically be taken in at the sides, bust, and waist without dramatically affecting the overall silhouette. A gown that's four or more sizes too large is more complex — taking in that much fabric changes the proportions of the dress and may require opening multiple seams including the bodice structure.
Letting a gown out (making it larger) depends entirely on how much seam allowance the manufacturer built into the gown. Most bridal gowns have very limited seam allowance — often half an inch or less — which means there is a hard ceiling on how much a gown can be let out. Never assume a gown can be let out significantly without a fitter confirming the seam allowance in person.
Silhouette matters significantly:
If you're considering a gown that's more than two sizes away from your measurements, always try it on before purchasing if possible — and consult with a fitter before committing. The cost of alterations on a significantly oversized gown can approach or exceed the cost of the gown itself for complex silhouettes.
Yes — in most cases. But the answer depends on the construction of the neckline and bodice.
V-neck conversions from a higher or more closed neckline are among the most common neckline alterations we do. The feasibility depends on whether there is internal structure — boning, cups, underwire — that would be affected by opening the neckline, and whether the fabric will hold a clean edge at the new shape.
Sweetheart necklines can often be created or deepened depending on the existing bodice construction. Strapless or minimally structured bodices are the most cooperative for this type of change.
Adding or removing embellishment along the neckline — lace, beading, appliqué — is possible but varies significantly by gown. Removing embellishment from some gowns leaves marks or structural gaps that are difficult to address.
The general principle: neckline changes are more achievable on gowns with simpler, less structural bodices. Heavily engineered bodices with built-in corset structures, multiple boning channels, or molded cups are more limiting.
Yes — removable off-the-shoulder sleeves, cap sleeves, and fitted full sleeves can all be added to existing gowns. This is a more common request than most brides realize, and the transformation can be dramatic.
A few things that affect feasibility and cost:
Fabric sourcing. Ideally, sleeves are made from fabric that matches or closely complements the gown. If enough fabric is removed during hemming — which is common when a gown is significantly shortened — that excess can often be used to construct the sleeves. If there isn't enough, we'll need to source a matching or coordinating fabric, which adds cost and requires lead time.
Attachment method. Removable sleeves are typically attached via snaps, hooks, or a combination of both. The attachment points need to be positioned precisely so the sleeves stay in place during wear. We build and fit these at an appointment so you can confirm they sit exactly where you want them.
Sleeve construction complexity. A simple off-the-shoulder drape is less involved than a structured lace sleeve with seaming. The more detailed the sleeve, the more labor and time involved.
Pre-owned gowns can be excellent candidates for alterations and we work on them regularly. But there are specific things to evaluate before purchasing:
1. Condition of the hem area
Most secondhand gowns have wear along the bottom edge — scuffs, dirt, minor fraying — from being worn on the wedding day. In most cases this isn't a concern, because hemming a gown for a shorter bride removes the bottom several inches entirely. The concern arises when a gown has already been hemmed and the wear or damage is in an area that will remain part of the finished dress. Always ask whether the gown has been hemmed, and by how much.
2. Previous alteration history
Ask the seller for the full alteration history:
Previous alterations aren't automatically a problem — but they affect what's possible next. A bodice that's already been taken in significantly has less seam allowance remaining.
3. Bustle markings and wear
Bustles create stress points on the back of the dress where the fabric is gathered and held. Over time and with wear, these points can leave visible markings or slight distortion in the fabric. This is common and often impossible to fully remove — especially on lightweight or delicate fabrics like taffeta, chiffon, or charmeuse.
If you notice bustle-point markings on a secondhand gown, ask the seller whether the gown has been professionally cleaned since the wedding. If it has and the marks remain, they are unlikely to fully disappear with additional cleaning. Factor this into your decision.
4. Fabric type and condition
Some fabrics age or show wear more visibly than others. Silk charmeuse and lightweight taffeta show water marks, sweat stains, and pressure marks more readily than heavier crepe or structured fabrics. Inspect the gown in natural light and from multiple angles before committing.
5. Dry cleaning before alterations
We recommend having any secondhand or sample gown professionally dry cleaned before beginning alterations. This gives us a clean baseline to work from and can sometimes improve the condition of the fabric before we begin marking and pinning. We work with a professional dry cleaning partner and can coordinate this as part of the alteration process.
Yes — a boned internal corset can be built into an existing gown to add structure, support, and a more defined silhouette. This requires opening the bodice lining, constructing and attaching the boning channels, and restitching the lining. Feasibility depends on the existing bodice construction and how much working room the lining provides.
Alternatively, a corset-style back — replacing a zipper with lacing — can be added to many gowns, which gives you adjustability in addition to the silhouette effect.
Always — if any of the following are true:
A pre-purchase consultation can save you from a costly mistake — or confirm that the gown you've fallen in love with is exactly the right candidate.
Every gown is different, and some questions simply can't be answered without eyes on the dress. If you're considering a secondhand or sample gown and have specific questions before purchasing, email us at contact@arthurandlucca.com with as many details as possible — gown style, fabric, size difference, any known alteration history, and photos if you have them. We'll do our best to give you honest guidance before you commit.
For a full breakdown of how alteration pricing works and what a realistic estimate looks like for your gown, read our pricing guide: How Much Do Wedding Dress Alterations Cost in Chicago? →
Arthur + Lucca is located in Chicago's West Loop at 845 W. Washington Blvd, Floor 3. Book your first fitting at arthurandlucca.com/pages/wedding-dress-alterations.
