It's Mariah. She IS R&B with POP crossover. Listen to her debut, Emotions, EOM, CB, MOAIA, Daydream and BUTTERFLY. Tell me that that shit is NOT PURE R&B goodness.

Fact is, Mariah's been stunting for 20 years, her voice >>, She has a TON of CROSSOVER pop hits, WRITES and PRODUCES her music.