When I look at the sky, I’ll miss you

Catherine O’Hara — famous for her work in “Schitt’s Creek,” “Home Alone,” and “Best In Show” — is dead … TMZ has learned. The legendary Hollywood actress died Friday, two sources with direct knowledge tell TMZ. The cause of death is unclear. Catherine famously played Macaulay Culkin’s mother in the first two ‘Home Alone’ movies … and…