I realize she has name this as a "Stout Alteration" but this might also work well for those with a wider crotch curve.
Little Lambkin pattern (free)
Adrianna Papell Beaded Gown & Accessories (Plus Size) available at #Nordstrom
plus size mother of the bride dresses - Google Search
Mother of the Bride & Mother of the Groom Dresses | David's Bridal
Dressed Up By Veromia DU175 Pink https://www.fabfrocks.com/dressed-up-by-veromia-du175-pink.ir?utm_campaign=coschedule&utm_source=pinterest&utm_medium=Fab%20Frocks&utm_content=Dressed%20Up%20By%20Veromia%20DU175%20Pink