OK! is reporting that Gossip Girl (and First Date Date Night) star Leighton Meester has broken up with her longtime boyfriend, Sebastian Stan. The starlet and aspiring pop star (one of her songs will be featured on next week’s episode, according to Dorota) “doesn’t know how to be in a relationship and doesn’t really like them,” a source told OK!. If it’s true, well, we all know bad news comes in threes. It’s been confirmed that fellow co-stars Ed Westwick and Jessica Szohr are officially split. All eyes are now on Blake Lively and Penn Badgley …
