From selecting the right hat (yes,you need one) to walking the line of no socks and loafers,consider this a handbook to perfecting raceday style.
The model niece of Princess Diana will judge Melbourne Cup Carnival fashion alongside milliner to royalty Stephen Jones.
Wearing a pantsuit and belt she designed herself,designer Christine Spielmann has made history twice in the Fashions on Your Front Lawn competition.
Even if it was only for Instagram,the fashion set made an effort to dress up for the Cup.
Pared-back dressing may be all the rage for 2020 but some diehard racing fans still plan to go all out for the Melbourne Cup.
In 1985,Princess Diana,then 24,attended the Melbourne Cup. It marked the beginning of a defining decade for the mother of two,as megastardom descended upon Britain's future queen.
The tradition calls for black and white. So how did the fashion set interpret race-day fashions away from the track?
Puff sleeves,a midi length and a block heel is the winning formula for race-day dressing,2020 style.
Make it smaller,softer and more photo-friendly than usual,says designer Stephen Jones who made some of Princess Diana's most iconic hats.
For possibly the first time,the national Fashions on the Field competition has been won by a pregnant woman.
Cup Day brought out a rainbow of colours among the celebrity set.