Janet Jackson postpones Unbreakable tour to have surgery

Janet Jackson says she is postponing her Unbreakabletour to have an unspecified surgical procedure.

The 49-year-old Americansingerposted a message on her website and social media sites Thursday announcing that all future tour dates had been postponed until the spring. No new dates were announced.

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The singer's statement asked for prayers of support and said no further details on her medical condition would be disclosed.

Jackson had been next scheduled to perform Jan. 9 in Denver. Earlier in the tour, completed a series of dates in Canada.

TheUnbreakabletour has been in the Top 20 global concert tour list compiled by Pollstar.

Jackson's catalogue of hits dates back to the mid-1980s, ranging from What Have You Done for Me Latelyto That's the Way Love Goesand All for You.