By Christopher James

Doris Day had the biggest hit of career with "Pillow Talk," which was her first movie with Rock Hudson

Doris Day’s sole Oscar nomination came for Pillow Talk. If this isn’t the best performance of her career, it’s at least the most iconic version of her persona. For those looking to get a sense of her star character, this is the best place to start. Pillow Talk was the highest grossing movie of Day’s career, and the start of her most bankable period. According to the Numbers, Pillow Talk was the fifth highest grossing film of 1959 with $18 million box office (roughly $182 million adjusted for inflation). In addition to acting, Day also sings three songs in the film, most notably the titular song that plays over the delightful opening credits.

It’s impossible to resist the pairing of Rock Hudson and Doris Day in Pillow Talk. While Down with Love most infamously used this film for reference, so many modern romantic comedies and sitcoms mine from Pillow Talk, which effectively wrings laughs from miscommunications, mistaken identities and odd couple dynamics...