Legatissimo will face 10 rivals as she bids to supplement her 1000 Guineas victory with success in Friday's Investec Oaks at Epsom.
David Wachman's charge will be partnered by Ryan Moore as she attempts to become the first filly since Kazzia back in 2002 to follow up her win on the Rowley Mile in the mile-and-a-half fillies' Classic.
John Gosden has declared both Star of Seville and Jazzi Top as he seeks to win back-to-back renewals of the race having saddled Taghrooda to victory 12 months ago.
Aidan O'Brien, who has won the race on four previous occasions, will be triple-handed in his quest for a fifth victory.
The Ballydoyle master's team consists of Cheshire Oaks winner Diamondsandrubies, last year's Fillies' Mile scorer Together Forever and Qualify.
Crystal Zvezda will fly the flag for Sir Michael Stoute in his attempt to win the race for the first time since 1987, while Luca Cumani, who was responsible for last year's third Volume, will send out Lady Of Dubai.
The Andre Fabre-trained record-breaking yearling purchase Al Naamah will carry the hopes of France, while trainer Ralph Beckett, successful in 2008 with Look Here and 2013 with Talent, is to be represented by Lingfield Oaks trial runner-up Bellajeu.
Completing the field is the Jessica Harrington-trained Jack Naylor.