​Music maven Mariah Carey had the audience in stitches when she said once again that she doesn’t know Jennifer Lopez. Mariah Carey’s ‘I don’t know’ phrase is legendary “Watch What Happens Live” host Andy Cohen fawned over “how much ‘I don’t know her’ has become part of the American lexicon” and “how much time [they] […] The post Mariah Carey still doesn’t know who Jennifer Lopez is appeared first on Rolling Out.