Kelly Clarkson is canceling several upcoming tour dates this month, saying doctors told her to rest her voice.

Clarkson announced the cancellation of performances starting with shows in Vienna, Virginia, on Saturday and on Sunday. She is also canceling shows in Tampa and West Palm Beach, Florida; Raleigh, North Carolina; and Camden, New Jersey. Her tour says all tickets will be refunded at the original point of purchase.

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Clarkson tweets that she is "bummed" and "can't wait to get heathy."

Officials at Wolf Trap in northern Virginia, where Clarkson was set to perform this weekend say all patrons who purchased tickets through Wolf Trap channels are entitled to refunds.