Nicole Richie arrived for a flight at LAX Airport in Los Angeles, on April 28.
Today the designer/author showcases her lines Winter Kate and House of Harlow 1960, then signs copies of her new novel at Neiman Marcus Coral Gables.
Tomorrow, April 29, she will be at Koko & Palenki's Aventura Mall store in Miami from 2-4pm.
10% of the House of Harlow 1960 proceeds will go to the Richie-Madden Children's Foundation.
Nicole rocked a Matthew Williamson silk scarf.