Britney Spears unveils "Hold It Against Me" official single cover

Here is the official "Hold It Against Me" single cover.  The pop princess tweeted the picture with following tweet. 

"Heard an early demo of my new single leaked. If u think that's good, wait til you hear the real one Tuesday". -Brit 

I'm looking forward to this.             http://twitpic.com/3nmv63