After the announcement of Johnson & Johnson heiress Casey Johnson's sudden death this evening, many of Casey's friends still cannot believe she's gone. "I am devastated to hear this news," Paris Hilton tells Life & Style. Casey's parents have been friends with Paris' parents since before both girls were born; Paris and Casey were raised together. Paris' sister Nicky Hilton, is even godmother to Casey's adopted daughter, Ava, 3. "I've known Casey since I was a baby," Paris continues. "She had a big heart and she was a good friend. I feel so sad, I don't want to believe it. My condolences go out to her family and loved ones."

Casey was found dead in her LA home this morning. She gained recent notoriety for her reported engagement to reality star Tila Tequila.

Photo Credit: Startraks