Pregnant and getting Married

Saige • First time momma - Collyn James💙 12/19 Married my best friend 💍 08/19

So my fiancé proposed Christmas <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">Eve</a> of 2018. We picked August 17, 2019 for our wedding. Fast forward to now, I’m estimated 5W+5 so I’m going to be 22 weeks when we get married. Should I wait to get a wedding dress that month? Or get one that is just super stretchy and hope it fits?