He revealed: "It was horrible. I mean, I've never had any doubts about my own sexual preference for women, but doing that scene was all the confirmation I could ever want. Not a pleasant experience!
However, Colin - whose ex-lovers include Britney Spears, Angelina Jolie and
Demi Moore - says bisexuality was the norm in the days of Alexander the
He explained to Britain's New magazine: "This bisexual thing is just an
example of how different society was.
There wasn't any of the hysteria about
sexuality. Sex was just sex in those days. Maybe we could learn something
Meanwhile, Colin claims he spends all night partying to cure his insomnia.
The Hollywood heartthrob says the only reason he enjoys wild nights out is to make him tired enough to sleep.
He explained: "I have trouble sleeping at night. That's why I stay out all night sometimes when I'm out on the town. I know I'll have trouble falling asleep unless I exhaust myself."