He's already mated with Zenyatta, the 2010 Horse of the Year, whose foal, due in late March, may steal some magazine pages from Kate and William's baby.
The Breeders' Cup features 14 races in all - 10 Group One races, three Group Twos and one Group Three - and the star attraction in the Classic will be undefeated six-year-old mare Zenyatta.
Jockey Mike Smith, Zenyatta's partner on all but three of her 19 career starts, referred to the mare as "the best thing that could have happened to US racing" as she posed and threw out her off fore as if showing off to the audience who greeted her arrival at the course earlier in the week.