Living Room Columns . A living room can serve many different functions, from a formal sitting area to a casual living space. Make it a room divider. Living Room With Interior Columns Interior columns, Living room from www.pinterest.com 45 beautifully decorated living rooms (pictures) this gallery showcases beautifully decorated living rooms from a wide range of design styles. The columns also help to provide a transition between the living room and kitchen or dining room, especially if you have an open concept kitchen. Most decorators agree that the darker or bolder color of the two should be used on the lower half of the column and the lighter color at the top.