The German won her third Longines Global Champions Tour Grand Prix at the iconic sunny beachfront venue.
The US rider took three classes on the final day of the Doha Equestrian Tour in Qatar; Scott Brash (GBR) named overall CSI4*/5* series winner.
The Canadian best-selling author of thrillers embraces the peaceful and 'grounding' time at the barn with her Quarter Horse mare.
Edged for the win by a whisker in the CDI3* Grand Prix Freestyle, Canadian Camile Carier Bergeron and Finnländerin were a close second.
The Spring International saw a number of Canadians have strong placings in South Carolina as the eventing season picks up speed.
Other discussions included proposed changes to Olympic showjumping regulations, increasing audience engagement, and horse welfare.
Tinne Vilhelmson Silfvén (SWE) took the Lövsta Future Challenge Developing Grand Prix Horse Final aboard So Perfect.
The Canadian rider also won the CDI1* Prix St. Georges on MSJ Valentina Roma; competition continues through Saturday.
Veterans and first responders, and their families, can find a pathway to healing through the transformative power of horses.
The Development Program recognizes the top-performing four-, five-, six-, and seven-year-old division young dressage horses across Canada.