At this moment I am hosting a sleepover with a 15 year old, 17 year old, and 20 year old. Somehow, unbeknown to me, these girls have lived this long without seeing a movie that has greatly impacted my life over the past 13 years: the Sisterhood of the Traveling Pants. The Sisterhood of the Traveling Pants changed 11 year old Hannah’s life, and still remains a classic and is just as magical for 24 year old Hannah. Nothing is more important to me than female friendships, so it shouldn’t be too shocking that one of my most influential movies is a movie about female friendships. There is not much that can make you feel stronger than your best girl friends supporting you. (Btw,…