Belinda won Sunday's Future Challenge FEI Prix St. Georges riding Quincy, while Camille was 3rd riding MSJ Fürst Zonik.
The Mexican rider rode his Olympic mount H5 Porthos Maestro WH Z to take the $215,000 class to edge American and Irish competitors.
The pair scored 80.6% during ‘Friday Night Stars’ at AGDF and in April will head to the FEI World Cup Final in Basel, Switzerland.
The Egyptian rider piloted Evergate Stables' mare who is "such a trier" as the WEF winter tournaments head into the home stretch.
The Irish rider's fairly new partnership with the big-strided and sometimes "misunderstood" mare is steadily improving in the five-star ranks.
Emilie Conter (BEL) wins the Week 9 CSI5* feature, edging Harry Charles (GBR) and Sherlock and Henrik von Eckermann (SWE) with King Edward.
The Canadian rode Finnländerin to score 75.325%; Kevin Kohmann won the class riding Dünensee with a new personal best of 79.24%.
The US rider piloted the good mare and "alpha horse" Greya to another massive payday under the ‘Saturday Night Lights’ at WEF.
Canada's Mario Deslauriers places 6th with S&L Quatro van de Meerputhoeve in this 7th weekly installment at Winter Equestrian Festival.
Fellow Canadian Brittany Fraser-Beaulieu rounded out the top three on Jill Irving’s Leeghwater in this class for up-and-coming equine talent.