Miranda Lambert announced last week that she had to cancel or postpone a few shows since she's under doctor's orders to get vocal rest. Now it seems the songstress will be forced to extend her time away from the stage a little bit longer.

"I'm so sorry to disappoint the fans that have already bought tickets to see me," Miranda says (quote via cbslocal.com). "I'm taking care of my voice and I can't wait to get on the road again and bring you a hell of a show."

Miranda had a pair of shows slated last weekend, a July 6 stop at the Jam in the Valley festival in Varysburg, N.Y., which was cancelled, and a show at the Toyota Pavilion at Montage Mountain in Scranton, Pa., where she was slated for Saturday (July 7). That date has reportedly been postponed and will be rescheduled. The singer's July 12 concert in Orange Beach, Ala., July 13 show in Atlanta and July 14 date in Pelham, Ala., have been rescheduled for October 4 - 6.

Miranda's next scheduled show is July 26 in Verona, N.Y. Her most up-to-date tour calendar, reflecting the recent postponements and cancellations, can be found here.

Watch Miranda Lambert's 'Over You' Video


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