caused a 33-1 shock in the Dubai Duty Free Stakes when routing the opposition under
at
.
The Archie Watson-trained filly had shown some decent form as a juvenile, with her best performance coming when third in the Rockfel Stakes at Newmarket.
Nevertheless, she looked to have plenty to find against the likes of Simmering, Heavens Gate and the favourite Mountain Breeze.
While Mountain Breeze tried to make all before fading, the other two fancied runners never showed up at any stage.
moved into contention well over a furlong out, with the response immediate when Doyle asked her, and while Time For Sandals (14-1) gave chase she eventually lost second through her efforts.
It was 40-1 chance in Hey Boo, previously unbeaten but putting up a huge career best for Jack Channon, who claimed second, three and a quarter lengths in arrears.