A very pregnant Jessica Simpson and fiance Eric Johnson take a gas station break before they head on a road trip

72408, LOS ANGELES, CALIFORNIA – Saturday January 28, 2012. A very pregnant Jessica Simpson and Eric Johnson take gas station break before they head on a road trip. Jessica sports an olive colored dress with black strips and a grey coat as she is spotted by photographers. Photograph: BrujaÂ©PacificCoastNews.com**FEE MUST BE AGREED PRIOR TO USAGE** **E-TABLET/IPAD & MOBILE PHONE APP PUBLISHING REQUIRES ADDITIONAL FEES** UK OFFICE:+44 131 557 7760/7761 US OFFICE:1 310 261 9676