After several weeks of speculation regarding Jessica Simpson‘s rumored pregnancy, a source close to the singer turned fashion designer and her fiance Eric Johnson tells Radar Online that the pair are on the verge of announcing the big news to the world.

“It’s still early in the pregnancy, and Jessica has decided to wait before sharing her happiness with her fans. But she has begun telling family and friends the exciting news.”

Jessica’s future father-in-law Stephen Johnson played coy when asked about the pregnancy.

“I haven’t heard anything,” Stephen said. “Is she pregnant? I better give them a call if she is!”

Simpson and Johnson are expected to go public with the news in a magazine exclusive.

Rumors of Jessica Simpson being pregnant were sparked when she was spotted in Mexico wearing a leopard print cover-up, which led speculation that she was hiding a baby bump.

Simpson also turned down a glass of champagne at Johnson’s 32nd birthday party recently.