Home Design Rooms Teen girl bedroom stuff Rooms. Floor pillows make a teenager lounge section cool and cozy. In this pretty space, designer Kristina Crestin dressed two full-sized beds in matching white ruffled bedding and plush fur throws, hanging each girl's monogram above her bed for personalization. Teens love spending time in their rooms because they feel safe and comfortable. Modern black, white and gray furnishings provide a sleek contrast to fun floral print wallpaper in this gorgeous upscale space.