Kate Middleton might be four days past her date, but she's clearly still keen to stay active.
Although she suffered from severe morning sickness in her first and second trimesters of pregnancy, she appears to be comfortable as she
The Duchess of Cambridge was spotted driving her Range Rover into Buckingham Palace, with nanny Maria Borrallo tending to Prince George (21 months) in the back seat and a bodyguard in the passenger's side.
It's reported that the 33-year-old royal is a fan of the Queen's indoor swimming pool, in particular for swimming lessons for her adorable son.
She left her hair down, minus her trademark bounce, but looked healthy as she made her way to the gates of the Palace, driving from her apartment at Kensington Palace, where she, Prince William and her mother Carole Middleton have taken up residence ahead of the royal birth.
Kate is currently believed to be four days overdue, although bookies are placing their bets that she will go into labour today, her fourth wedding anniversary to the future King of England.
It appears she's trying to remain active before the new arrival as she has also been spotted strolling the gardens in Kensington with her toddler son and mother.
Doctors rarely wait more than a week after an expectant mother's due date to induce, which will take place at the Lindo Wing of St Mary's Hospital.