Katie Holmes — aka Joey Potter or the former Mrs. Tom Cruise, depending on your age and life outlook — looks pretty good on Glamour's August cover, where she's sporting a serious blowout and a cool-girl Canadian tux. While the Zac Posen-penned interview is tepid at best (On dating: "I'm really focused on motherhood and work right now." On style: "I do like to buy my own clothes.") there's no denying that the actress is wearing a very good outfit — Calvin Klein chambray shirt included. So good, in fact, that we decided we want to try the denim-on-denim thing ourselves. Below are five options that we think are perfectly suited to achieve your own girl-across-the-creek look. Just don't skimp on the hair.