Katharine McPhee tripped backstage before a performance Tuesday night in Charlotte, N.C., said Roger Widynowski, a representative for McPhee's record label, RCA.

However, McPhee was able to take the stage -- wearing "slipper-sandals" -- to sing two songs. She went to a hospital after the performance, and X-rays showed a hairline fracture in her left foot, Widynowski told on Thursday.

Visit Katharine's original americanidol.com profile.

Widynowski said McPhee is in "good" condition...Read the full story!