Baby Shower Dresses Ideas

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I’ll be 29 week the day of my shower!

I’m petite. I’m 24 weeks right now. 5’0, 103 pounds. I would like to find a maxi dress because it could be relatively cold/fallish where I live. Everything I’ve found is a small and I’m afraid it will be too big/too long.

Anyone have any good ideas where to look or have any other cute outfit ideas for their shower?