Successful on her debut at Sandown, the Richard Hannon-trained filly was held up at the rear of the field by Pat Dobbs as Boater and Clem Fandango set the pace.
After seeing off the 2-1 favourite Boater a furlong out, Clem Fandango looked like gaining the spoils, but Grizzel (5-2) came with a powerful late run to win by a neck.
“She’s a lovely filly and she’ll go for the Queen Mary or the Albany now,” said Hannon.
Royal Ascot’s Norfolk Stakes beckons for Prince Of Lir after he confirmed his homework with a stunning debut success in the Brian Yeardley Continental Two Year Old Trophy Conditions Stakes.
Tim Easterby’s King Of The Celts (5-2 favourite) won for the fifth time over Beverley’s mile and a quarter when 5lb claimer Rachel Richardson seized on a gap near the far rail to beat All You by half a length.
Easterby completed a double when Popsies Joy (20-1) struck under Duran Fentiman in the Constant Security Handicap.
David O’Meara’s Loaves And Fishes (6-1) put up a gutsy effort when leading all the way under Phillip Makin to take Happy Birthday Graham Hallett Fillies’ Handicap by a length and a half from Rosental.
The Richard Guest-trained Mr Cool Cash (4-1 co-favourite) kept on stoutly for 3lb claiming apprentice Philip Prince to lift the Beryl And Joe Turner Memorial Handicap.
After finishing second in five of seven starts, Kevin Ryan’s Geno (evens favourite) got off the mark when making all under 3lb claimer Joe Doyle in the signupbonuses.co.uk UK’s Top Gambling Sites Median Auction Maiden Stakes.