In order to make a Christmas tree look fuller, you can try a few different things. First, make sure that you choose a tree that is already full and well-shaped, as it will be much easier to fill in any gaps or bare spots. Next, you can add some extra ornaments or lights to the tree to make it look more full. You can also try using garland or tinsel to fill in any empty spaces or add some greenery like holly or mistletoe to make it look more festive. Finally, if all else fails, you can always add some fake snow to make it look more full and