As a member of the most upper echelons of society, James Middleton , the younger brother of the Princess of Wales , has access to some of the most exclusive events to take place in the British Capital. While life as a father to his adorable, almost-two-year-old son Inigo - whom he shares with his wife of nearly four years Alizée Thevenet - often leaves the entrepreneur spending his downtime in his country haunt in Berkshire, he did make an appearance at a particular soirée on Thursday evening - and brought along with him a rather unexpected family member.

Stepping out in the heart of West London alongside the likes of supermodel Kate Moss , Hollywood stars Douglas Booth and Sienna Miller, James, 38, attended the Longchamp FW25 'London Calling' Event in Soho, with one of

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