Britney Spears sent a wink at Miley Cyrus for her tweet on the pop star. Miley Cyrus had tweeted "its @britneyspears BITCH #bangerz." The tweet was in reference to an upcoming single "Work Bitch."

Miley Cyrus defended her raunchy twerking dance in the recent MTV Video Music Awards. She had compared her performance to the passionate lip lock of Madonna and Britney Spears 10 years ago.

Britney Spears tweeted that now it is her and Miley. The tweet also adds a "they're not ready for this" with a wink at Miley Cyrus. Fans are eagerly waiting for the song "SMS (Bangerz)"

Fans can't wait see the two stars performing on stage together. Britney Spears will be seen together with Miley Cyrus in the song "SMS(Bangerz)"

Media pundits see that the timing is perfect for joint event. Britney Spears is launching her new single "Work Bitch" and Miley Cyrus is launching her new album Bangerz. Both the stars could benefit by a joint tour to promote their albums.

A joint tour makes it more possible because Britney has already worked with Miley Cyrus on the Bangerz album. With the huge publicity she got with her raunchy performance - it could be cashed in by both the stars.

Miley Cyrus can leverage the star power associated with Britney Spears. Both are pop icons in their own right and have established careers.

The new single "Work Bitch" will be making its debut on 16 Sept. The debut is going to be worldwide according to the star. The single will be available on the iHeartRadio. It will also be available on the iTunesMusic at 12.01 AM on Sept 17 ET.

The official Britney Spears Web site has a timer on the main page. The timer is counting down the days, hours, minutes and even seconds for the debut of the new single. Fans can expect the twitter account to also eagerly count down the days.

Twitter is being used for multiple purposes these days, from promoting music videos to escalating rivalries.

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