Rosa? What do you mean?
They didn't change the girls too much in Kingdom Hearts. Aerith was just jacket-less with a belt and different bracelets, Yuffie didn't have her arm-guard and a different shirt, the rest of the changes were minor, Selphie had no change other than her age change and a few minor ones, in Kingdom Hearts II, the girls had almost no changes other than art style. Yuffie & Tifa were in their Advent Children outfits and were missing their ribbons, other than that, nothing, and Aerith was in her Before Crisis outfit. Yuna, Rikku, and Paine's outfits were altered for censorship reasons to be less revealing and wings were added. Fuujin changed the most, but was still minor, her age was changed and was given more civilian clothes, although her color scheme stayed the same. I'm not counting a change in Selphie because that was a school uniform, so she didn't really change much between the first one.