Usher's 'Love in This Club', Lil Wayne's 'Lollipop', T.I.'s 'No Matter What', Chris Brown's 'With You' and Flo Rida's 'Low' will battle it out for Best Male Video at the 25th annual MTV Video Music Awards, airing live September 7. Mariah Carey, Jordin Sparks and Rihanna will go head-to-head with Katy Perry and Britney Spears in the Best Female Video Category.

Fans can contribute to the VMAs by tuning in to MTV's 'FNMTV' every Friday at 8 p.m. where they'll announce two new categories. Viewers can log on to vma.mtv.com to vote for their favorite artists and videos.

Host, presenters and additional performers will be announced at a later date.

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