while arriving at the Saint Laurent show at the Hollywood Palladium in Los Angeles. She is famous in part for her impeccable taste in fashion. Now you can steal her style in just one click. Shop Jessica Alba Saint Laurent Black Leather Jacket at best budget. Jessica Alba took home the gold in the style stakes as she arrived at Saint Laurent. The 34-year-old wore a pure black leather jacket. Among the stylish stars at the occasion. Jessica Alba put on an effortlessly chic sartorial display in head-to-toe Saint Laurent.