The Wiggles certainly have no shortage of fans across the globe, but even they were surprised this week when a Hollywood legend popped by to say 'hello'.

Robert De Niro, 81, has been acting for over 60 years and shows no signs of slowing down — but when he’s not working, he often spends time with his family and girlfriend Tiffany Chen, 45.

Robert De Niro has a golden rule when it comes to raising his seven children. The actor, 81, gave sage parenting advice amid raising his 2-year-old daughter, Gia, with girlfriend Tiffany Chen ...

Robert De Niro adorably brings his 2-year-old daughter, Gia, to meet The Wiggles, posing in several photos together. The ...

Robert De Niro 'Madly in Love' With 46-Year-Old Tiffany Chen: 'Their Relationship Works Well' Canada rescinds Digital Services Tax after Trump cuts off U.S. trade talks Remembering 'Welcome Back ...