LOS ANGELES -- With stars like Gwyneth Paltrow and Serena Williams sitting in the front row, Alessandro Michele’s nostalgic clothing designs inspired by old Hollywood glam shined just as bright during a Gucci fashion show in Los Angeles.Jared Leto and Macaulay Culkin were among the many models who calmly pranced down the Walk of Fame runway at the Gucci Love Parade on Tuesday night.