Haunted Homes of the Stars

The mansions of Adele, American Idol, Joan Rivers and more are inhabited by celebs and spirits alike

ALYSON HANNIGAN

Long before welcoming daughter Satyana, the How I Met Your Mother Star and husband Alexis Denisof had someone else in their humble L.A. abode. "I have a ghost in my house ... I don't know why he's there. But he's very friendly," the actress said. "I saw this silhouette of a man standing in the bathroom doorway. I was like, 'Sweetie, what are you doing?' I thought it was Alexis. But then I looked and Alexis was asleep next to me."