French 1000 Guineas winner Bluemamba has been supplemented at a cost of £20,000 for the Coronation Stakes at Royal Ascot next Friday.
The Pascal Bary-trained filly was a narrow winner of the French Classic at Longchamp in May, defeating Peony and the Ben Hanbury-trained Alshakr by a neck and a short-head.
Among her rivals in the £145,000 Group One contest will be Crimplene, winner of the German and Irish 1000 Guineas for trainer Clive Brittain.
However, Sagitta 1000 Guineas winner Lahan is set to miss the one-mile event through injury.
Safer Gambling UK has launched its annual awareness week to promote responsible gambling.