Article continues below advertisementKevin Spacey's admission he is now homeless and living between hotels and Airbnbs has sparked mounting concerns over his well-being and boozing habits, OK! can reveal.The Oscar-winning 66-year-old was once one of Hollywood's most celebrated actors before he was blacklisted by Hollywood over his battle with scandal.Article continues below advertisementSource: MEGAKevin Spacey claimed he's 'homeless.' Article continues below advertisementBest known for his performances in House of Cards and American Beauty, he was found not guilty at a U.K.