Prince Harry is turning 40 in September (Image: Getty) Prince Harry will throw a huge party for his 40th birthday, but it is highly unlikely any of his immediate family members will be in attendance, claims an expert. The Duke of Sussex is turning 40 on September 15 and will likely be celebrating in California, where he resides with his wife Meghan Markle and their two children; Archie, five and Lilibet, three. It is believed the Suits star, 43, will throw a lavish bash for her husband and will invite a number of their A-list pals.

Royal expert Lydia Alty told Express.co.uk: "They will likely throw a lavish party and invite friends over around his birthday.

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