Fans swoon over Princess Margaret's grandsons Sam and Arthur Chatto

While many eyes were on the awkward reunion between Princes William and Harry this morning, some royal watchers were distracted by the appearance of hunky royal cousins Sam and Arthur Chatto.

Fans were left 'swooning' over the royal brothers, who are the grandsons of 's sister , with one writing they were 'so fit'.

The pair accompanied their mother, Lady , 58, and artist dad Daniel to St Paul's Cathedral today for the Service of Thanksgiving for the Queen.

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