august 24, 2015
The pair were pictured having lunch at Watsons Bay on Saturday.
Ross, a former equestrian vaulter and budding film writer, flew out to Australia to be with Gibson and to work with him on his new film Hacksaw Ridge.
Gibson and his much-younger girlfriend reportedly met when she applied for a job co-writing a film at his production company Icon.
The 59-year-old was so taken by the 24-year-old when they first started dating he whisked her away to Costa Rica on a romantic getaway.