Lizzo is doubling down on her Sydney Sweeney diss. The “Truth Hurts” singer mocked Sweeney’s controversial American Eagle campaign on Wednesday with new song lyrics. In a snippet of “I’m Goin In Till October,” shared via Instagram, the Grammy winner washed a car and twerked in barely-there denim shorts, a matching jacket and black heels. 10 Lizzo took aim at Sydney Sweeney’s American Eagle jeans ad — again. Instagram / @lizzobeeating 10 This time, the singer dissed the “Euphoria” star with song lyrics. Instagram / @lizzobeeating Sweeney, notably, sported an all-denim ensemble in her July ad, which social media users...