Forget the gym, all you need is a hula hoop to get a great bikini body like Audrina Patridge. The former Hills star left traditional workout devices at home, embracing the large hoop as a way to tone and show off her amazing figure on a Los Angeles, California, beach on Tuesday. But while a hula hoop is known as being a toy loved by children across the world, what the reality star was up to was hardly child’s play.