Amanda Peet Is Arnold's Wife?

5/18/2009 2:00 PM PDT BY TMZ STAFF
Here's Amanda Peet at a premiere in Hollywood last month (left) -- and First Lady of California Maria Shriver at a charity event in L.A. this weekend (right).

Amanda Peet and Maria Shriver

One of them is married to a man who's trying to raise money by selling San Quentin Prison.

We're just sayin'.