In reply to Jasmine.

LOL You must only be looking at album sales (most of which goes to the record label) and not the all-important touring sales. Mariah could not do a tour as big as Janet or Beyonce in the US ever. Mariah simply does not have the touring presence or likeability factor to sell the tickets. Mariah's current gig as an opening act for Lionel Richie is flopping and tickets are selling for as little as $9.99 regular seats and $30 bucks for front and second row seats. They are not even breaking even on this tour. Just google it and there are numerous articles about the tour flopping. I don't know why you are hating on Beyonce because even if you dislike her Beyonce's music sales and tour sales are impressive and I cannot turn a blind eye to Bey's numbers even though I am not a fan of hers. Same goes for Madonna. You are quick to dismiss Madge's abilities or "monumental" status but now you are backpedaling saying she is. FYI The actual definition of "monumental" is "great in importance, extent, or size." You may want to pick another word if you are so hung up on isolating Mariah and Celine to a specific category. The phrase "washed up" comes to mind for Mariah and "boss" comes to mind for Celine. Trying to combine the two together in a category is really a subliminal diss towards Celine because Celine is way way better than Mariah.