I am aware that the Sims 3 can do this, but is there a mod or hack for the Sims 2? I aged up one of my teens and they looked horrible . Their outfits were crazy. I want to be able to re-edit my Sim's outfits. Thanks.
You don't need CAS to change the clothes. Just buy them new clothes on a community lot with a clothing rack, take them back home and use a dresser to plan their outfit for every category you bought new clothes for. There are also many different hacks that let you buy clothes from home. Pescado's clothing tool let's you plan every outfit without actually buying the clothes, if you don't want to clutter up the family's wardrobe. You can download it here, just click on your latest EP and select clothing tool from the list that opens.
You can change haircolor and style by clicking on a mirror.
If you want to change the facial structure, there is a career award, that comes with one of the University careers, but it can backfire. And the changes won't be genetic.