"Please pray for Nick as he's fighting to recover from a mild kidney failure," the singer tweeted. On her website, Carey posted a photo of herself lying in a hospital bed with Cannon, 31.

Carey tweeted that Cannon is suffering from “mild kidney failure.” His rep confirmed his hospitalization Wednesday. He is in Aspen, Colo., where the two were vacationing. Cannon is 31.

Cannon had his own brush with mortality when he was hospitalized for kidney failure in 2012. He told "Good Morning America" that year that he was eventually diagnosed with "a rare form of lupus." ...