"So I stepped off the plane after a month out of the country, and basically went straight to the hospital for the week," Madden wrote on his band's Web site on Friday. "But don't worry all is well and we are home with no problems."
Richie, 28, had been sick for the last week and a half. "Ok cold, it's been 6 days. Lets part ways graciously & keep it moving," she Tweeted on Sunday.
Last week the star's rep shot down Internet rumors that she was suffering from the swine flu.