Kate Peck swaps $3m diamond-encrusted crown for a more modest $750 black metal fascinator and an unusual green frock at Melbourne Cup. By AMY CROFFEY FOR DAILY MAIL AUSTRALIA .

Among those in attendees were Queen Camilla, who donned a smart bottle green outfit for the occasion, and Princess Eugenie, who was joined by her husband Jack Brooksbank for the outing.Marking the ...