to keep close to her old design try any of these - or put in Neg to reduce chance - SFW/NSFW
may need to add 3d, or realistic, in neg for certain 2d/anime styles due to having more 3d image training - or lower weight for less influence -
face/body
isabel, brown eyes, black hair, very short hair, - messy hair, - dirty, or dirty face,
may need to add dark skin, or tanned, for some styles,
Outfit
black jumpsuit, armor, gauntlets, boots, - --
helmet, - remove any hair/face, prompts, - the M, and red side antennae, results may vary
could add glowing eyes, --- with helmet,
grey or silver armor, adding science fiction, or shiny, may enhance - suggest zipper, in NEG -> wearing armor, ------ did not train the pip-boy,