Jessica 'Won't Marry While Carrying Baby Weight'

essica marry Simpson apparently not until you lose your baby weight.

The 170-pound singer, fashion designer to be - who is expecting a baby with fiancé Eric Johnson © - apparently refuses, the altar, until he has regained her form.

A source said:'' You hate the idea of ​​entering into a wedding dresses, until she gave birth to the baby and lose weight.''

The delay is also said to have been disagreements between Jessica, 31, and her boyfriend caused football player on a marriage contract.

In an interview with OK! Magazine, the informant said,'' She loves him, but there are some problems that have not yet been solved.

'' Jessica wanted a prenuptial agreement, but Eric was excited at the thought of setting up a. They spent months negotiating and arguing about who made ​​a major contribution to the wedding was postponed.''

Meanwhile, the mentor of the "Fashion Star" is to be mentally prepared to deliver a big baby.

She told Elle magazine:'' It is the 90th Percentiles of the weight present, there are a large UN. This will be a very big baby, but I think that's what I get out of basketball players hit to get me up.''

But she refuses to get scared, the better for it. She added: I'm more worried that fear. I was not afraid all the time. I guess if all these women can do around the world to do what I can.''