Once you have placed a doll in your dollhouse, simply go to the doll house, and tap on your placed doll. This will allow you to take your doll to the fashion room where you can change her outfit to your liking.
Once you have placed a doll in your dollhouse, simply go to the doll house, and tap on your placed doll. This will allow you to take your doll to the fashion room where you can change her outfit to your liking.