Taylor Swift is in the mix when it comes to all the famous breakups, isn't she? After her grimacing, stick-out-my-tongue-in-disgust reaction to her bestie Selena Gomez greeting her ex Justin Bieber with a smooch backstage at the BMAs, Swift is supposedly palling around with 'Twilight' star Kristen Stewart, who just split with her boyfriend and co-star Robert Pattinson.