Prince William and The Duchess of Cambridge, née Kate Middleton announced this week that their new baby is expected to arrive in April 2015.
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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The baby announcements keep on coming! From Blake Lively's sweet snap to grandfather-to-be Richard Branson's excited website updates.
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.