The couple, who began dating on and off in 1989 and were married in 2003, separated in October of this year.
Crowe tweeted this week that he had plans to get back with Spencer, writing: "As soon as I finish this job & can get home, my priority is to try to bring my family back together."
The Daily Telegraph now reports that the 48-year-old actor was spotted this month with his estranged wife and children.
The 48-year-old actor travelled to Sydney, Australia for the premiere of his new film Les Misérables.
He was reportedly spotted visiting Spencer's home ahead of the premiere, holding a plastic bag full of gifts.
Despite the reports, it is unclear whether Spencer and Crowe have indeed reconciled.
Watch a clip of Russell Crowe in Les Misérables below: