To decorate a frosted Christmas tree, first gather your ornaments and lights. Next, begin hanging the ornaments in a balanced and symmetrical pattern, making sure to place heavier ornaments at the bottom and lighter ornaments at the top. Then, wrap the lights around the tree, following the branches' natural curves. Finally, add some ribbon or tinsel to create a festive look and finish the look with a tree topper. Enjoy your beautiful frosted Christmas tree!