She was due to head to Sydney on Sunday along with champion stablemate Blacks A Fake, who was the first horse invited to contest the $500,000 SEW-Eurodrive Miracle Mile (on November 28).

"This is devastating" part owner Kay Seymour said."We have raced many outstanding horses over the years however she holds a very special place in our racing history"

Hopefully we can save her as she will undoubtedly be a broodmare gem"

Good Lookin Girl won the Ladyship Mile earlier this season at Menangle on June 29, when rating an Australian record 1:53.7.