Did you know The Sisterhood of the Traveling Pants was Blake Lively's first movie role?! On this day in 2007, The Sisterhood of the Traveling Pants reminded us that one pair of jeans really can fit four best friends (with a little Hollywood tailoring magic). 👖✨⁣ ⁣ 📸: CP Images⁣ ⁣ #TheSisterhoodOfTheTravelingPants #OnThisDay #BlakeLively #AmericaFerrera #AlexisBledel #AmberTamblyn #SisterhoodForever #MovieAnniversary