The problem: I love Reformation's look. I don't love paying $200 for a dress I'll wear maybe eight times.
What I did: Spent about six weeks hunting for fast fashion alternatives that actually look similar AND don't fall apart after two washes. Bought and tested five dresses. One was a total waste of money. Two surprised me.
Here's what worked. And what didn't.

The winner: H&M's linen-blend midi – $45
Honestly didn't expect this one to last. H&M can be a gamble. But this dress held up through three washes (cold, hung dry) with no loose threads. The linen blend is 53% linen, which is decent for the price. Reformation uses around 70-100% on similar styles.
The catch: The buttons feel cheap. One might pop off eventually. But for $45? I can sew a button back on.
Zara's tiered smock dress – $59
This is the one I almost returned. The fabric felt thin out of the box. But after a month of wear (work from home, grocery store, coffee with a friend) – no pilling. No weird stretching.
The Reformation version of this style costs $188. Is Zara's as nice? No. But it's 70% cheaper and looks 90% the same from five feet away.
Small regret: I should have sized down. It stretched a little in the shoulders. Still wearable, but annoying.
Mango's ruffle sleeve mini – $70
Mango is my middle ground. More expensive than Zara, cheaper than Reformation. This dress has held up the best so far – eight washes, still looks new.
The fabric is 100% cotton, which Reformation uses a lot. Stitching is clean. Lining is there (cheaper dresses skip this).
What I don't love: The color looks different online. I ordered "terracotta" and got something closer to rust orange. Kept it anyway, but check reviews for real photos.
ASOS Design square neck – $52
Total gamble. ASOS house brands are hit or miss. This one was a hit.
Good fabric weight (feels like it won't rip in the wash). The straps are adjustable, which helps with fit. Reformation rarely includes this detail, and I don't know why.
But: The zipper sticks. Every time. I fought with it for five minutes the first time I put it on. Now I leave it half-zipped and step into the dress. Works fine. Annoying? Yes. Dealbreaker? Not for $52.
The fail: Shein – $28
I wanted this to work. It didn't.
The dress looked right in the photos. On my body? The fabric was see-through, the stitching was crooked, and it smelled like chemicals even after two washes.
I know some people have good luck with Shein. I didn't. This dress went into the donation pile after one wear. Learned my lesson.
What I'd do differently
Order two sizes from Zara next time. The return is free anyway.
Check Mango's sale section first. I saw this dress drop to $50 two weeks after I bought it at $70.
Skip ASOS if you're in a rush. The zipper thing is fine at home, but stressful before an event.
What I still don't know
How these will look after a full year. I'm only three months in. The Reformation dress I'm comparing to? I've had it for two years. It's still solid. Maybe the fast fashion ones won't get there. I'll update this thread next summer.
My honest take: If you need a dress for a wedding or photos? Spend the money on Reformation. If you want something for regular life – work, dinner, errands – these alternatives are fine. Just don't expect them to last forever.
$201 saved by buying five fast fashion dresses instead of one Reformation dress. Even if two of them fall apart in a year, I still come out ahead.