Left eerily vacant for years, these A-list mansions each have a shocking tale to tell, from apparent hauntings and heartbreaking tragedy to shameless corruption, protracted legal battles and grave financial woes. Brace yourself and click or scroll through as we reveal the eyebrow-raising stories behind these abandoned celebrity houses, including Liza Minnelli's childhood home, Boris Becker's squatted villa and Nelly's luxurious mansion that was left empty for almost a decade...