Mariah CareyWhen it comes to A-listers throwing shade, pop culture moments don’t come much more iconic than Mariah Carey’s infamous “I don’t know her” remark about Jennifer Lopez (how many celebrity putdowns have their own Wikipedia pages, for heaven’s sake?).In the early 2000s, the All I Want For Christmas Is You singer made pop culture history when she was asked during a German TV interview about some of her peers in the music industry, and when it came to J-Lo, simply shook her head and replied: “I don’t know her.”<