Amazing Maria is set to face nine rivals when she bids to complete a Group One hat-trick in Saturday's Coolmore Fastnet Rock Matron Stakes at Leopardstown.
David O'Meara's filly has proved beyond doubt there was no fluke about her shock victory in the Duke of Cambridge Stakes at Royal Ascot by securing back-to-back top-level triumphs in the Falmouth Stakes at Newmarket and the Prix Rothschild at Deauville.
Amazing Maria is joined on the trip from Britain by the Marco Botti-trained Euro Charline, last seen finishing fourth when defending her crown in the Beverly D. Stakes at Arlington Park in Chicago.
The home team is headed by 1000 Guineas and Nassau Stakes heroine Legatissimo.
David Wachman's stable star had the option of taking on the boys in the Qipco Irish Champion Stakes on the same card, but instead sticks to her own sex and drops back in distance to the mile.
The supplemented Ainippe is an interesting contender for Ger Lyons, stepping up in class following a couple of Group Three successes this summer.
Brooch, Iveagh Gardens, Military Angel, Raydara and Steip Amach complete the Irish contingent, with Alain de Royer-Dupre's French raider Cladocera rounding off the field.