The following italicized article is from www.extratv.warnerbros.com:
Footage of Britney Spears' new music video has hit the web!
People has a clip of "Piece of Me," which was shot on Nov. 26. The video shows Brit - now blonde - taking aim at the paparazzi.
You can see the video here !
The full video will air on "20/20" Friday night on ABC. It will air as part of a Chris Connelly report on the pop sensation and her relationship with the paparazzi.
Source: Extra TV/Break The Ice