Kelly Carkson cancels concert dates to rest her voice

LOS ANGELES, Sept. 12 (UPI) -- Pop-music star Kelly Clarkson has canceled six of her Invincible shows through Sept. 20, so she can rest her voice as per her doctor's orders.

Scrapped were two concerts in Vienna, Va., one in Tampa, Fla., one in West Palm Beach, Fla., one in Raleigh, N.C. and one in Camden, N.J.

"So bummed that I have to cancel some of my tour dates. This kills me, but doctors are saying I need to rest my voice!" she tweeted Friday night.

All tickets may be refunded at the point of their purchase.

Clarkson, 33, is known for her hits "A Moment Like This," "Miss Independent," "My Life Would Suck Without You," "Stronger (What Doesn't Kill Us)" and "Heartbeat Song."

She is married to talent manager Brandon Blackstock and pregnant with their second child. They also have a year-old daughter named River Rose.