Josh Hartnett joshrihanna.jpgSounds like Josh Hartnett won't be joining Rihanna under her umbrella-ella-ella - the actor spoke with Us Magazine to shoot down the rumors of romantic entanglement which have been plaguing the pair since they shared a kiss at the Pink Elephant last week. "We just met on TRL," the actor is quoted as saying. "I don't know her." Well, it sounds like they sure made friends fast!