The 45-year-old rocker was photographed getting into the backseat of a car in a parking garage.
The lead vocalist of No Doubt appeared to be still wearing her wedding ring. She looked chic in a red plaid top, ripped jeans, high-heeled fringe sandals and a denim chambray tied around her waist. Her hair was tied in a bun.
Stefani announced earlier this month that she and Rossdale were divorcing after 13 years of marriage.