Duke and Duchess of Cambridge don't know sex of baby

The Duke and Duchess of Cambridge have decided not to find out the sex of their third baby because they want a surprise.

The royal couple - who already have Prince George, four, and Princess Charlotte, two, together - are set to welcome their new addition into the world any day now, but have decided against finding out the gender of the little one as they want a surprise.

A source told E! News: "William and Kate don't know the sex of the baby so they're rather looking forward to finding out. It's very difficult to be totally prepared when you don't know if it's going to be a boy or a girl."

Catherine, 36, carried out her last official royal engagement last week at the Team SportsAid event in London and she'll now go on maternity leave until the autumn.

The insider explained: "Kate is now officially on maternity leave until the autumn and looking forward to welcoming the new baby.

"The whole family is excited, including the children, who are very much aware that they are about to welcome a new brother or sister."

The brunette beauty will celebrate Easter this weekend at her mother Carole Middleton's house in Bucklebury, West Berkshire, England, with her family.

A source said: "Kate is in Bucklebury with the children for the Easter weekend, putting her feet up and enjoying some well-earned rest.

"The children are on Easter holiday now so they'll all stay at Carole and Michael's into the middle of next week and then return to Kensington Palace, where Kate will remain until she goes into labor. William may be back and forth due to work."

The royal couple were forced to announce their third pregnancy earlier than they would've liked last year because Catherine was battling with hyperemesis gravidarum - a severe form of morning sickness - and was forced to pull out of engagements.

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