Pregnant socialite Nicole Richie is expanding her fashion empire to include a line of maternity wear.

The Simple Life star will soon welcome her second baby with rocker boyfriend Joel Madden and she's taken inspiration from her own growing family to launch a range of clothes specially for expectant mothers.

Richie, who is already mom to 19-month-old daughter Harlow, has teamed up with clothing label A Pea in the Pod to create and model the designs, reports

People.com.

She says, "Pea in the Pod is such a known company for pregnant women. They carry great lines, and so when they ...