The color red is often used to talk about thing that are hot or exciting. You can listen to red-hot jazz music or eat red-hot chili peppers. If you roll out the red carpet for someone, you are giving them a big welcome. On TV you may see stars walking on the red carpet at the opening night of a Hollywood movie or at the Academy Awards. After a big night like this, the stars often paint the town red, which means that they celebrate and have fun, going to parties or nightclubs all over town. However, red isn't always fun.