London: The Duchess of Cambridge Kate Middleton, whose first official engagement after welcoming daughter Charlotte in May was in support of youth sailing clubs in Portsmouth, has earned her advanced diving certification, confirms people.com.

Kate Middleton. Pic/Santa Banta 

According to The Telegraph, the 33-year-old has earned her advanced open water diving qualification, allowing her to dive to a depth of 98 feet. The qualification was issued by the Professional Association of Diving Instructors (PADI).