Rihanna has finally spilled the beans on her romance with Josh Hartnett.

The Umbrella singer had been keeping the blossoming relationship under wraps but 'fessed up at the World Music Awards in Monte Carlo at the weekend.

She gushed to The Mirror: "I would be lying if I told you we were not more than just friends.

"He is so hot and he is really sweet to me. When we hang out it feels right - even though it's still pretty new."

"I have so fallen for him, he's lovely."

The pair first set tongues wagging when they hooked up at a Rihanna gig at the Nokia Theatre in Times Square.

An onlooker said: "[Josh] walked in and made a beeline for her table. Right away, they were dancing, drinking Dom Perignon and making out at the table."

"They arrived separately but they certainly left together."