Celebrated popstar Jessica Simpson is delving into releasing a jewellery collection, for which she is considering collaborating with jeweller Pascal Mouawad, reports say. The line is believed to include a set of wedding rings. %% The collaboration with Mouawad is under consideration and has not been given the official nod yet, reports say. Simpson follows the league of celebrities including Nicole Richie, Angelina Jolie and Alicia Keys, who have launched their own jewellery lines.