The Backstreet Boys just announced the dates to their "World Like This" tour.The tour started last year but the group decided to extended into this summer.

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Avirl Lavigne will join the group as opening act for the two month stretch into North American amphitheaters. The Group will start their tour in Canada in May, then return to the US for 23 concerts beginning May 23 in Seattle.

For more details on the Backstreet Boys tour and tickets click HERE!