Sir Rod Stewart has apologised to fans for cancelling his sold-out concert in Australia at the last minute over the weekend. The veteran British rocker was due to perform alongside Cyndi Lauper and Jon Stevens at his A Day on the Green event in Geelong on Saturday. However, organisers announced on social media hours before the event that it was cancelled "due to illness", which caused ticketholders to become furious. On Saturday night, Stewart took to Instagram to apologise to his fans for the c