Iridessa's display in defending her Matron Stakes was described as "fantastic" by the filly's delighted trainer Joseph O'Brien.
The three-year-old went into the race at Leopardstown on the back of a seventh-place finish in the Irish Oaks at the Curragh on July 20.
However, she bounced back in style on Saturday by overshadowing favourite Laurens to defend her title and claim a third Group One race win.
Aidan O'Brien's dual Guineas heroine Hermosa was second with Just Wonderful third as Laurens dropped back to finish fourth of seven.
O'Brien said: "It's fantastic. The filly was very tough and Wayne [Lordan] gave her a great ride. We're over the moon.
"We were toying around with different trips, we weren't sure what her trip was. She ran OK over a mile earlier in the year, we went 10 furlongs and she won.
"She ran well in the Oaks, but it was a very messy race, they went very slow and sprinted up the straight so we put a line through that.
"She's a great filly, she seems to enjoy it when there is a bit of pace on in front of her and she has something to run at. I'm delighted for the owners."
He added: "The Prix de l'Opera was what we had in the back of our minds. Originally we were thinking about running in the Blandford, but there wasn't as big a field here as we thought so we came here."
Article Posted on Sunday 15th September 2019 @ 12.11
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