Christmas balls are a beautiful and festive decoration for the holiday season. To decorate them, you will need some supplies such as Christmas ornaments, glitter, ribbon, and glue. First, you will want to choose the colors and styles of ornaments you want to use. Then, you can apply the glitter and ribbon to the ornaments in whatever pattern you like. Finally, use the glue to attach the ornaments to the Christmas balls. That's it! You have now successfully decorated your Christmas balls.