Kate Middleton is unhappy as she is embarking on her very first royal tour in September and is forced to leave little Prince George behind.Meanwhile, William, 32, likely starting a new job as a helicopter pilot in the air ambulance, Kate will head to the little island in the Mediterranean solo keeping the adorable royal heir at home in September to mark the 50th anniversary of Malta's independence. The Duchess of Cambridge is heading out on her very first royal tour in Mediterranean in September and will have to leave Prince George behind in England! The 32-year-old Duchess will fly to Malta in September for two days to attend her very first royal tour alone.“She’s really “nervous†about leaving Prince George behind but "excited" about stepping out by herself,†a Middleton family source told.Kate, Prince George and husband Prince William had a wonderful and successful royal tour in Australia and New Zealand in April.