The victor was announced by Judge Betty-Anne Stenmark of Woodside, California, who was poker-faced as she examined Flynn against six other finalists, poking and prodding the smaller candidates and adopting a more panoramic approach with the bigger ones.
No matter, the white powder puff, also known as aka GCHP CH Belle Creek's All I Care About Is Love, was picked and walked off as America's top dog.
McFadden said Flynn might retire from the show dog business as a champion.
The 142nd Westminster event drew 2,882 entries in 202 breeds and varieties.
Ty the giant schnauzer, seen here with handler Katie Bernardin, won reserve best in show.
Flynn, a Bichon Frise, along with handler Bill McFadden (R) and judge Betty-Anne Stenmark (L) pose for pictures after winning the Best In Show at the 2018 Westminster Kennel Club Dog Show at Madison Square Garden, in New York City, Feb. 13, 2018.
'You bathe him and dry him and then trim him, then retrim him at the show, then trim him again when he wins, ' she said. Ty the giant schnauzer, a winsome Sussex spaniel named Bean and Winston the impossibly cute Norfolk terrier advanced Tuesday in the sporting, working and terrier groups.
BT, Sky score broadcast rights for Premier League in 2019
Sky , which has been bankrolling the EPL since 1992, will pay £3.58m for 128 Premier League games a season from 2019/20. In 2015, the Premier League then took a total of £5.1bn for the next three years.
According to Westminster Kennel Club records, the oldest dog to ever win a "Best in Show" title was a Sussex spaniel, placed at little over 10 years old, in 2009.
"These dogs were bred to entertain people".
The only two parts of Westminster dog show to allow mixed-breed dogs, or "all-American" dogs, in the show's parlance, are the agility and obedience competitions, added in 2014 and 2016, respectively.
They may be of the highest pedigree and superlative conformation, but to their owners even the finalists for the top prize of "Best in Show" are still just cuddly, playful pets.
Dogs in the Westminster show compete in a total of seven groups.