It’s been a tough summer for Blake Lively. After the reported behind-the-scenes drama of It Ends With Us took headlines by storm, the blonde beauty, 36, has been called out for her insensitive promotion of the domestic violence-focused film, being rude to journalists and now for using a transphobic slur multiple times in the past. Social media erupted after interviews from years ago resurfaced showing Lively using the word “tranny” on numerous occasions. In one sit-down from 2012, the mother-of-four said, “I hope to have a few girls one day. If not girls, they better be trannies. Because I hav…