updated 02/21/2012 AT 8:00 PM ET
•originally published 02/22/2012 AT 10:55 AM ET
The fashion mogul, who is planning a March baby shower, recently visited L.A.’s Bel Bambini boutique to pick out clothing and accessories for her little one – and one observer noticed that Simpson, 32, was thinking pink.
“Jessica and her mom [Tina Simpson] and spent over an hour at the store,” the observer tells PEOPLE. “She took her time picking out the perfect baby items.”