"I was not expecting this right now," she said.
"I just went home to chill out and get ready for a battle and Alana just freaked out there. Oh my gosh, I can't believe it."
Gilmore defeated Sage Erickson and Blanchard en route to her first title since 2014.
The 30-year-old from Queensland state is now four world titles shy of Kelly Slater's all-time record of 11 on the men's tour.
(Reporting by Rory Carroll; Editing by Ian Ransom)
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