Prince George will become a big brother this April, however, it is unknown whether he will have a baby brother or sister. Sources tell E! News that the Duke and Duchess of Cambridge do not know the sex of their child and have referred to the baby as “it” on recent outings. Countdown to the Great Kate Wait #2 is officially on!

Prince William, Duchess of Cambridge, and Prince Harry
(Splash)

Photo credit: Chris Weeks/WireImage.com