A full field is set to go to post for the 2022 Prix de l'Arc de Triomphe at ParisLongchamp on Sunday afternoon.
The Aidan O'Brien-trained Luxembourg heads the market for the Group 1 contest as the Ballydoyle supremo aims to win the prestigious race for a third time after previous victories for Dylan Thomas (2007) and Found (2016).
Frankie Dettori will be on board last year's winner Torquator Tasso for German trainer Marcel Weiss, while Vadeni and Onesto lead the French challenge.