Mariah Carey And Kourtney Kardashian Are FIGHTING . . . Cause Mariah STOLE HER NANNY AWAY FROM HER!!! (They Call It . . . NANNY Wars)


Mariah Carey's children Moroccan and Monroe Canon were seen heading to gymnastics class followed by a karate class, and being chaperoned by none other than Kourtney Kardashian's longtime nanny.

Kourtney's kids haven't been seen with the nanny in a few months, because according to reports - Mariah STOLE HER AWAY. We're told that Mariah DOUBLED the nanny's salary - and gave her other ENTICEMENTS to get her to leave Kourtney.

Reports say that Kourtney is VERY UPSET with Mariah - for taking her nanny. This comes on the heels that Kourtney is expecting her FOURTH child with her on-again/off-again BF Scott Disick.