Zeidler, who lives in Australia, believes it is ridiculous to even speculate that Clooney is gay, reported Sun Online.
"That's quite ridiculous, we don't even listen when people say things like that anymore," Zeidler said.
Clooney has dated a series of beautiful women since his first marriage to actress Talia Balsam ended in 1993. But the "Oceans 11" star has so far refused to take the next step with any of them