The shows had first been moved from August of last year, and are now being changed once again due to the pandemic
The new dates are August 12th and 13th 2022.
Westlife say they can't wait to be back on stage when it's safe to do so.
Meanwhile, organisers of "All Together Now" say they have exhausted all possibilities to allow the festival to happen this summer.
The Waterford event was due to take place over the August Bank Holiday weekend, but has now been rescheduled to July 29th to 31st of next year.
Tickets for this year's event are valid for next year, and refunds are also available.