A pregnant Britney Spears tools around town in Arizona, in her rented BMW Z4 convertible. The pop star ran drove around with a pal while hubby Kevin Federline spent the day running errands, smoking cigarrettes, and looking bored! Britney, meanwhile, is showing signs of pregnancy, with her belly bump and a break out of acne on her face and chest. April 27, 2005. Click the picture below to access the entire set.