Bruno Mars seemed to burst on the music scene overnight. In reality, he has been on the stage all his life. When he was four, he was famous as the world's youngest Elvis impersonator and he was part of his family's show. When he moved to Los Angeles, he couldn't find work and so he turned to songwriting. Now he is singing his own songs and doing fancy moves in his fun, high energy shows. When the Super Bowl asked him to do the halftime show that helped Bruno Mars become a superstar.