Miley Cyrus Is Sick, but Still Performs ‘These Four Walls’ for Fans

Miley Cyrus seems to be having a rough time while on the Miley Cyrus Wonder World Tour.

Not only was she forced to cancel a string of concerts on her tour due to illness, but since getting better, she is ill again.

But this time, she is being a real trooper! She performed the Miley Cyrus Tour in Philadelphia, telling the audience that she was sick again and she’s getting very little sleep.

Despite that, she continued on and gave a performance of “These Four Walls”, check out the video below…

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Miley Cyrus – These Four Walls in Philadelphia 2009