Yesterday she was Fit-ney Spears.


Today she is down. See the photo.
Britney Spears' Knee Malfunction: "Spears, 22, had just completed a scene with rap star Snoop Dogg for a video of her latest single, 'Outrageous,' and was doing choreography under the L Train line on Roosevelt Avenue in Manhattan when her left knee gave out, Jive Records said in a statement."