Paris Hilton has confessed her joy after opening Christmas presents from boyfriend Doug Reinhardt.The millionaire heiress revealed she was being "spoiled" by her baseball-playing beau with the rocks during the festive season."At home opening Christmas presents from my man," the Mirror quoted her as saying on he Twitter page.She added: "SO happy! He really spoiled me this year and gave me so many incredible presents! All the jewellery he bought me from 14 Karats Jewellery Store is so stunning! It's true diamonds are a girl's best friend. I am speechless."