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On today’s MTV News Ariana Grande announced she will be performing at the MTV VMAs next month.

The singer revealed the exciting news during the ‘Total Ariana Live TRL’ special, where she also performed an acoustic rendition of ‘Problem’.

As well as that, Keira Knightley revealed at the Begin Again premiere that just because she’s married to Klaxons musician James Rixton, does not mean she knows anything about music.

While Trey Songz chatted to MTV News about experimenting with more electronic sounds, ahead of the release of his 6th studio album.

Check it out now...