The Basic Instinct star, 54, was reported to have called it a day with her toyboy lover Martin Mica, 27, because they didn't share the same interests.
But the couple were later snapped holding hands and embracing as they walked around in Beverly Hills, the Daily Mail reported.
Life & Style quoted a source close to the actress: "She called it off just after the holidays. It wasn't so much the age difference. They didn't share the same interests. Her passions are philanthropy, politics, activism - he wasn't into any of that."
Sharon, who has been filming the role of Aphrodite in Gods Behaving Badly, has been dating Martin for eight months after meeting at a Vogue Brazil party in Sao Paolo.