Sylvester Stallone has revealed that his most lucrative financial returns have stemmed from his art collection rather than his acting career.

The Rocky star said he made millions from investing in art back in the 1980s. Spending his Hollywood earnings on the paintings four decades ago paid off big time as the art skyrocketed in value in the following years.

Appearing on The Overlap podcast, Stallone said his collection includes works by Pablo Picasso and Andy Warhol, alongside contemporary painters. He said some pieces in his home are now worth in excess of $40 million each.

"That's my weakness. Art,” Stallone said. “I do [own] a lot more contemporary artists who are becoming the new [greats] ... George Condo, Rashid Johnson, they're this generation's Picassos."

Asked to estimate the value of his Picasso and Warhol paintings, he responded: "About $40 million ...…