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31 Best Plus Size Wedding Guest Dresses To Feel Your Best On Their Big Day

Trying to source the best plus-size wedding guest dresses never gets any easier; take it from a plus-size model who has attended her fair share of nuptials. While I always look forward to a wedding invitation in the post, with it comes a sliver of dread. What am I going to wear, and where am I going to find it?

The high street isn’t always an easy or positive experience for those of us whose sizes are above a UK 18, but fear not, the fashion industry has changed. There might not be so many in-person plus-size clothing brands to find the perfect go-to occasion dress, but lots of online stores have finally seen the importance of extending their sizing, whether morally or financially.

Positive steps are being taken. We now have more luxe labels such as Rixo who most recently did a collection with plus-size influencer Billie Bhatia, and independent designers such as Renee Studio, whose core range goes up to a size 28 exclusively to ASOS, not to mention the birth of ARRANGE by ASOS, which has been a godsend with exquisite embellished and statement occasion pieces, many that I have worn throughout many red carpet events this year.

We also have Rental sites such as By Rotation that have a range of plus size rentals if you are looking for an item to wear just for the wedding, but sadly there has been a decrease in the number of curve pieces on their app compared to previous years. I do believe this is also because us curve girls tend to keep hold of the treasured occasion pieces that fit us well, because often they are so difficult to find, so that’s why finding the right wearable piece for you is so important.

Searches have soared over the past month according to Google trends, and as wedding season is upon us, we’ve taken it upon ourselves to do (most of) the hard work for you. Finding the best wedding guest dresses for plus sizes is getting much more exciting for us all – finally.

Needle & Thread Sequin Dash Long Sleeve Gown

Image may contain Clothing Dress Person Adult Formal Wear Face Head Photography Portrait and Evening Dress

Whether you’ve got a spring wedding in the British countryside or summer wedding on some gorgeous beach abroad, or you’re shopping well in advance for an autumn wedding guest dress/winter wedding guest dress and embroidery, sparkles and disco sequins are already being thought about, we’ve rounded up the best plus-size wedding guest dresses, whatever your size, shape and budget.

And, yes, they range far beyond just the usual black dresses we’re steered towards, because you deserve to show your personality on this special day.

Keep scrolling for all the best plus-size wedding guest dresses for 2026.

LP Staff Writers

Writers at Lord’s Press come from a range of professional backgrounds, including history, diplomacy, heraldry, and public administration. Many publish anonymously or under initials—a practice that reflects the publication’s long-standing emphasis on discretion and editorial objectivity. While they bring expertise in European nobility, protocol, and archival research, their role is not to opine, but to document. Their focus remains on accuracy, historical integrity, and the preservation of events and individuals whose significance might otherwise go unrecorded.

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