Buy clothes, go to the dressing room, and make the outfit. Then go to their room and dress them in it. If you want them to wear more than a diaper where they appear on your page, click 'Going-out Outfit'.
Go to the boutique and buy the desired clothes. Then, if they are still awake, go to their room and put the clothes on them after you have made the outfit. Then, print screen.
go to the top floor and click on the right hand door, this will lead you to the babies bedroom. Click on the massive draws and you choose the clothes you want on the babies.
You can get another baby on Babydow by purchasing a Magic Seed from the Fairy Forest or planting a cabbage seed (which will produce a boy) or a rose seed (which will produce a girl) from the shop.
When you want to have a baby, you must go to the boutique and buy either arose seed for a girl, or a cabbage seed for a boy, each for 1000 dollars. Then you must also buy some fertilizer to put on...