How to Fix a Dress That Is Too Small to Zip Up

How to Fix a Dress That Is Too Small to Zip Up
This is a dress that I got 4 years ago when I was 12. I’m now 16 and I haven’t grown much height wise but since then my back has broadened so the zip is not even close to zipping up. Is then anyway to alter the dress so that it does? It was a really expensive dress and I would like to keep it and wear it to a wedding in a couple months.
How to Fix a Dress That Is Too Small to Zip Up
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