update: A March 21 stop in San Jose has been added to the North American leg of Mariah Carey [ tickets ]'s first tour in eight years. Meanwhile, ticket onsale dates have been announced for all of the tour's 10 scheduled stops except the March 22 show in Dallas.

Tickets for Carey's March 25 appearance in Chicago are now on sale. Other onsale dates are scattered throughout February.

Carey is set to launch her "Rainbow - One Night Only" world tour in Belgium on Valentine's Day. She will make stops in Italy, Germany, France, Great Britain, Spain, Japan and Singapore before returning to North America for a March 16 show in Los Angeles.