By peoplestaff225
Updated March 28, 2007 08:56 AM

Medium star Patricia Arquette paid a visit to David Letterman on The Late Show last night and talked about how "fascinating" it is to be mother to an 18-year-old, son Enzo with musician Paul Rossi, and a 4-year-old, daughter Harlow Olivia Calliope, with husband Thomas Jane.

As for Enzo, he has a lot more to clean up, such as their front lawn. While at work, Patricia received a call from the nanny, who told her,