Josh Hartnett denies dating Rihanna

Josh Hartnett has denied recent reports that he's dating 'Umbrella' singer Rihanna, and has claimed that he's still single.

The actor told Us Magazine "She's fun, she's a nice girl, we just met on TRL [October 9]. I don't know her."

Still, he's got family on the brain — sort of. When asked how many kids he wants, Hartnett joked, "Three!"

Us magazine also reports that, for Josh, family plans may be far off, he does have a more immediate project: Making his new NYC pad eco-friendly.

"You can't have solar panels or windmills in New York," he says, "but I'm trying to make it as eco-friendly as possible."