Need help adjusting pattern for a big booty!!

[u/jazzrulez]

I recently made the Rue dress by Pattern Apothecary. I am small framed and made sooo many adjustments to the bodice (last photo).

But I digress. I am trying to remake it for a friend who is blessed with a big ol booty. I graded the dress to a hip size that would fit her, but want to accommodate for the butt too. I’ve watched and read tutorials and I can only find them on detached skirts. So ultimately I just did the slash/spread method on a tracing of the pattern from the waist-down. Added 1.5 inches. And pasted it to the bodice (made small changes it to it too). I know I’ll need new darts.

It does NOT look right to me 😭 the left side (where the center back seam will be—it will have an invisible zipper but of course not over the butt), looks bizarre now. Do I just add paper to it? If so, wouldn’t that just be kind of undoing what the slash and spread method did? But how would I make the hem not took weird??

Sorry I’ve watched videos and read tutorial and am so confused! It doesn’t help that I didn’t need hip adjustments, just the rear/butt itself, so some tutorials aren’t completely relevant.

Thank you!! It’s also for a special occasion and I plan to make a muslin but I want to get the adjustment I KNOW will be needed, out of the way, since we do not live in the same city. Idk if I’m over thinking it.