Help! Baby shower dress!?

So I bought this dress for my bridal shower back in April. My now husbands grandma told me "that isn't a bridal shower dress" and brought me shopping. I bought a size too big because they didn't have my size and I loved the dress (was easily pinned to fit perfect). Now I fit in perfectly but 1. Don't know if it acceptable for my baby shower 2. Don't know if I look okay! Having a hard time at this point with clothes cuz I feel huge! 
Should I wear this dress?! 
And if needed does the sweater look okay? Don't mind my hair! I just got out of the shower🙈

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