Popsugar Living Mariah Carey Mariah Carey and Nick Cannon Sell Home Nick Cannon Is Stunned to Learn That Mariah Sold Their $9M Mansion! March 10, 2015 by Maggie Winterfeldt First Published: March 9, 2015 View On One Page Photo 3 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 A double-height basketball court resides on the home's lower level. Previous Next Start Slideshow Mariah CareyHouse TourCelebrity Homes