London | As the latest tome on his mother hit all good bookstores, Prince William spent part of the day dishing out popcorn at a West London cinema.

While his new role was part of a promotion for the British film industry, William may have been tempted to settle down with his own brimming bucket after a furious Piers Morgan, the high-profile journalist and TV commentator, made an unlikely cameo and called into doubt the credibility of Charles Spencer’s book on his late sister Princess Diana.

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