It's no secret Valerie Bertinelli has a wealth of famous friends - and some of them even graced the pages of her latest book. In Getting Naked: The Quiet Work of Becoming Perfectly Imperfect, out Tuesday, March 10, Bertinelli, 65, not only reflected on her marriages to exes Eddie Van Halen and Tom Vitale, but she also gave readers an inside look at the friendships that helped lift her up in tough times.