Blake Lively made her film debut at the age of eleven, with a small role in the film Sandman, directed by her father Ernie Lively. Four years later, her older brother Eric withdrew from school for two months taking her with him on tour throughout Europe. During the journey her brother spent most of his time trying to convince her to pursue a career as an actress. The initial intention of the Lively was to attend Stanford University, not being interested in acting, but in the summer of 2005, before she started her senior year, her brother Eric, unbeknownst to her, made her get an audition for the role of Bridget in The Sisterhood of the Travelling Pants, in which she stars along with Alexis Bledel, America Ferrera and Amber Tamblyn; She manages to shoot the film during her senior year of high school.
In 2007 she achieved international fame with television series Gossip Girl in which she plays the title role of Serena van der Woodsen, a rich New York girl between problems of love, friendships and parties. In 2008, she reprises her role as Bridget in The Sisterhood of the Travelling Pants 2. Also starring opposite Justin Long in the Admitted comedy and star opposite Max Minghella on the independent film Elvis and Anabelle. Despite the successful on television continues to work in film with the episodic film New York, I Love You (2008) and the movie The Private Lives of Pippa Lee (2009) by Rebecca Miller.
In 2010 she was one of the protagonists of The Town by Ben Affleck, and magazine Maxim ranking her on the 4th place in Maxim Hot 100. In 2011 starred in Green Lantern, in which the actress co-star opposite Ryan Reynolds in the role of Carol Ferris. She also participates, along with Jessica Alba, in the video I Just Had Sex of The Lonely Island and Akon, and is crowned by the men’s magazine AskMen as “most desired woman in the world.” In the same year, the shoe designer Christian Louboutin devotes a pair of shoes called “the Blake”, while in March she becomes ambassador of fashion house Chanel. In the same year TIME magazine puts her among the 100 most influential people in the world in its list Time 100. In 2012 she starred in the film Savages by Oliver Stone. In the same year the fashion house Gucci chose her as the testimonial of the fragrance Gucci Premiere, and for which shooting a short film directed by Nicolas Winding Refn. In October of the following year is chosen as the new testimonial of L’Oreal Paris. In July of 2014 launches Preserve, a lifestyle e-commerce site with interests addressed in various sectors.
2015 represents for the actress, after a year’s break from acting, the return to the big screen: she is the protagonist of The Age of Adaline, romantic fantasy colors drama directed by Lee Toland Krieger. In the film interprets Adaline Bowman, a girl remained twenty-nine for eight decades. This interpretation earned her a nomination at the Teen Choice Award.
In late 2007, rumors circulated that Lively and her Gossip Girl co-star Penn Badgley were dating. In May 2008, after People magazine published photos of the two kissing while on vacation in Mexico. After Blake had an affair with Leonardo DiCaprio, it did not last long, and then she got married with Ryan Reynolds after meeting him on the set of Green Lantern.