Paramoreis canceling its This is Why U.S. tour, citing the illness of lead singerHayley Williams.

The band previously postponed four shows as Williams attempted to recover.

But the 34-year-old Williams said her doctor told her shes now risking long-term damage.

Hayley Williams

Hayley Williams of rock band ParamoreMarcus Ingram/Getty Images

Thus, the band will drop its remaining two shows of the U.S. tour.

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The decision to cancel the remaining shows came in Seattle Wednesday night.

Portland and Salt Lake City are the remaining stops.

WGA West building in Hollywood

Refunds on tickets will be available at place of purchase.

She apologized to fans who she realized had likely rescheduled plans to attend the shows.

I physically cannot go on, she admitted.

I know this isnt great news for anyone.

Thank you so much for your continued support.