Alpha Centauri is the star attraction in a seven-strong field for the Coolmore Fastnet Rock Matron Stakes at Leopardstown on Saturday.
Jessica Harrington’s three-year-old has arguably been the star of the season so far, winning the Irish 1,000 Guineas, the Coronation Stakes, the Falmouth Stakes and the Prix Jacques le Marois.
The daughter of Mastercraftsman will be a red-hot favourite to extend her Group One tally to five on the opening day of Irish Champions Weekend.
Aidan O’Brien has whittled his team down to three, with Clemmie, Happily and Magical all declared.
Karl Burke’s triple Group One winner Laurens makes her Irish debut and is joined on the trip from Britain by Mick Channon’s Dan’s Dream, although she is also declared to run at Doncaster on Friday.
Lightening Quick, trained by Johnny Murtagh, completes the line-up.