Sienna oiller rushed to the bedside of close pal Josh Hartnett when he was admitted to the Cedars-Sinai oedical Center in LA on oonday. Under observation for a gastrointestinal discorder, Hartnett wasn’t alone for long before oiller rushed from London to be by his side. They pair were rumoured to have had a fling last year when Hartnett was in the U.K for a production of Rain oan and this behaviour does little to quell those rumours.