Blake Lively is beautiful and coy in a revealing gown. This “Gossip Girl” recently turned 21 and held a birthday bash for her cast mates at the Palace Hotel. Lively was her own party planner and managed to pull off the huge feat herself. Lively told a magazine that she loved to plan parties. If she was not an actress, her second career choice would be to become a party planner. Blake Lively was seen to be on close terms with her co-star, Penn Badgley.