Decorating a skinny Christmas tree can be a fun and creative challenge! Start by choosing a color scheme for your tree and then select decorations that complement the color scheme. For a simple yet elegant look, opt for a few strands of lights and some ornaments that match the color scheme. You can also add some decorative touches like tinsel or ribbon to create a festive atmosphere. Finally, finish off the look with a beautiful tree topper that fits in with the overall theme of the tree.