Australian top rider Edwina Tops-Alexander will take over the reins of the ten year old GP horse Sirius du Granit. The son of Orlando van de Heffinck was succesful under French's Thibault Pomares who rode the stallion at a 1m55 level. Sirius was crowned as winner of the Grand National du Mans earlier this year. Pomares showed the stallion in the two and threestar competition. Finishing around 30th place most of the time.   Tops-Alexander will take her time to get to know the stallion in the next couple of weeks.