Enable has barrier nine of 12 as she bids for an historic third victory in the Prix de l'Arc de Triomphe.
The John Gosden-trained mare became the eighth dual winner of Europe's premier middle-distance contest last season, and was kept in training as a five-year-old with the chief aim to become the first horse to win the race three times.
While she endured a troubled preparation last year, her current campaign has been faultless as she has stretched her top-level tally to 10 with a hat-trick of Group One wins in the Coral-Eclipse at Sandown, the King George at Ascot and the Yorkshire Oaks at York.
The Khalid Abdullah-owned superstar is the odds-on favourite to claim what would be a momentous success at ParisLongchamp on Sunday under Frankie Dettori.
Enable will be flanked in the starting stalls by the Aidan O'Brien-trained pair of Magical and Japan.
Irish Champion Stakes winner Magical - who will be ridden by the trainer's son Donnacha - is in stall eight, with her Juddmonte International-winning stable companion Japan in 10 in the hands of Ryan Moore.
All 12 remaining entries stood their ground at the final declaration stage, and Godolphin's Charlie Appleby-trained Ghaiyyath is widest of all under William Buick.
The Jean-Claude Rouget-trained Prix du Jockey Club winner Sottsass is widely considered the chief hope for the home team, and hehas barrier one.
Andre Fabre relies on Waldgeist (3) as he bids to add to his record tally of seven Arc wins.
The field is completed by Alex Pantall's French King (5), Czech raider Nagano Gold (11) and the Japanese-trained trio of Blast Onepiece (4), Fierement (2) and Kiseki (7).