Tis is about MARIAH'S SUCCESS. These haters can't get enough of bringing up other artists because of Mariah's success. Mariah's been more successful in terms of album sales and single sales. Janet is awesome. Both are amazing and two of the best to ever do it. But this is about Mariah's success not Janet's. Sam didn't Memoir's sell ore than a certain someones whose album fell off after it's firs wk out. Ohhhhhh....... No ones sprised by these great numbers. Mariah has a huge fanbase. She also had three trending topics on twitter to.