The winners from two years ago edged ahead of Oliver Townend and Cooley Rosalent on the final day of the MARS Badminton Horse Trials.
The Brit rode his Olympic partner to the top of the leaderboard with 22.4pp as dressage got underway at the Badminton Horse Trials, May 7-11.
'Moving Day' at this important CCI5* saw much shuffling of the leaderboard; Canada's Jessica Phoenix and Wabbit move from 62nd to 33rd.
Two days of dressage culminated with last year's winning rider on top; Canada's Jessica Phoenix sits 62nd with Wabbit.
The 2018 world champion led the competition from start to finish and had four rails in hand going into the final phase.
The iconic British CCI5* will begin a day later than normal to accommodate the Coronation of King Charles III.
Laura Collett is crowned the winner with just 21.4 pp; Canadian Mike Winter and El Mundo successfully complete their first Badminton.
XC course designer Eric Winter and Lucinda Green guide you around the massive track via video, drone footage and an interactive map.
Badminton, a 5-star international event, was cancelled in 2020/2021 but is scheduled to return May 4-8, 2022.
A "fragile and unpredictable" situation due to the ongoing pandemic and safety concerns for all involved led to the event being scrapped.