Britney Spears is back -- again -- with a number one song and is giving fans another glimpse at the video for the tune '3.' On her Web site, Britney revealed the wait to see her new video is almost over. "1...2...3 days until the premier of my new video but don't stress, I will be sending out lots of pics and clips for the next 3 days," she wrote. The video will debut on her site Oct. 30.