Britney Spears stunned shoppers in Malibu, California, last week when she clutched her belly and announced she was pregnant with her second child.
Shoppers claim the pop superstar was upset by staring fans as she browsed for furniture at high-end store Shabby Chic.
One fellow shopper, Ginny Masse, tells America's In Touch magazine: "Britney put her hands on her belly, laughed and said: 'That's right, number two!'"
Gossips in Malibu, where Spears and her family live, are convinced the Toxic singer's dreams of giving birth to a baby sister for her son Sean Preston are about to be realised.
Masse adds: "I've heard from other people in the neighbourhood that she is pregnant."
Meanwhile, one of Spears' closest friends tells In Touch: "Britney is definitely pregnant again. She's acting the same way she did when she was pregnant with her first child."