Champion race horse Her recent foal , the half-sister to Black Caviar , sold for $ 2.6 million at auction in April . Frankel one of the world 's most sought-after mates . Had been tipped to breed with Black Caviar in `` Brangelina '' union of the racing world . But experts say Frankel better suited to Black Caviar 's mother -- 11-year-old mare Helsinge . Score: 6
Champion race horse Frankel one of the world 's most sought-after mates . Had been tipped to breed with Black Caviar in `` Brangelina '' union of the racing world . But experts say Frankel better suited to Black Caviar 's mother -- 11-year-old mare Helsinge . Score: 6