Men in tartan suits are seen during 2019 Melbourne Cup Day at Flemington Racecourse on November 05, 2019 in Melbourne, Australia. (Photo by Jenny Evans/Getty Images)

Jordan Barrett attends Derby Day at Flemington Racecourse on November 02, 2019 in Melbourne, Australia. (Photo by Sam Tabone/WireImage)

Men dressed in animal print suits pose for a photo during 2019 Melbourne Cup Day at Flemington Racecourse on November 05, 2019 in Melbourne, Australia. (Photo by Jenny Evans/Getty Images)

Dalton Graham poses at the Bumble marquee on Derby Day at Flemington Racecourse on November 02, 2019 in Melbourne, Australia. (Photo by Mackenzie Sweetnam/Getty Images)

A detail shot of the boots of Anthony Callea as he sings the national anthem before race 7 the Lexus Melbourne Cup during 2019 Melbourne Cup Day at Flemington Racecourse on November 05, 2019 in Melbourne, Australia. (Photo by Darrian Traynor/Getty Images)

Tim Robards arrives at AAMI Victoria Derby Day at Flemington Racecourse on November 02, 2019 in Melbourne, Australia. (Photo by Sam Tabone/Getty Images for Uber)

Men in colourful suits are seen during 2019 Melbourne Cup Day at Flemington Racecourse on November 05, 2019 in Melbourne, Australia. (Photo by Jenny Evans/Getty Images)

Australian rugby players Billy Meakes and Matt Philip arrive at AAMI Victoria Derby Day at Flemington Racecourse on November 02, 2019 in Melbourne, Australia. (Photo by Sam Tabone/Getty Images for Uber)