The US rider dominated the competition over three rounds with two extraordinary mares to claim the title in Fort Worth.
The British rider and her marvellous horse brought down the house, scoring a personal best 88.330% in the Freestyle to nail down the title.
All eyes will be on Fort Worth as 18 horse-and-rider pairs from 15 countries ‒ including Canada ‒ will battle it out in Dickies Arena.
The field includes 36 athletes from 19 countries; Canada will not have a representative and defending champion Julien Epaillard (FRA) will not attend.
After a sensational season of qualifiers, the stage is set for the Longines FEI Jumping World Cupâ„¢ Final in Fort Worth, Texas.
Conor Swail (IRL) continues his dominance of this league, this time winning aboard Beth Underhill's former ride Count Me In.