This just in from the TV of M:
"After weeks of mind-blowing media speculation, MTV confirms that Britney Spears will be opening the 2007 MTV Video Music Awards. Celebrating her long-awaited comeback to her fans, Spears will be performing live her new song 'Gimme More' from her highly anticipated album due out Nov. 13. The star-studded awards show will air live Sunday at 9 pm/ET.
"Immediately following Spears' performance, fans can download two ringtones available exclusively through MTV Mobile - one for 'Gimme More' and the other featuring the much discussed 'It's Britney, B---h' catchphrase. MTV Mobile also will carry a live simulcast of the show, a first for an awards show."