After Kate made a stylish comeback to her public duties on her first engagement since announcing her pregnancy, HELLO! Online got thinking about other famous arrivals due around the same time as her baby.
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It appears that the second royal baby will be joined by plenty of bundles of joy from the worlds of acting, fashion, music and business.
As the Duchess passes the 12-week mark of her pregnancy and shows off her bump for her first time, we take a look at celebrity couples who could also be welcoming a spring baby.