Lady Gaga Announces Grammy Performance With Tony Bennett — billboard.com

Lady Gaga has revealed she and Tony Bennett will perform at the 2015 Grammy Awards next month.  Grammy 2015 Performers: Pharrell, Sam Smith, Usher & More Join Lineup The pop star made the announcement on Twitter Tuesday: Me and @itstonybennett are so excited to announce we will be performing at #TheGrammys this year! Thank you to @TheGRAMMYs and our fans! -- Lady Gaga (@ladygaga) January 28, 2015 LL Cool J will host the award show. Pharrell, Sam Smith, Usher, Miranda Lambert, John Legend, Common, Madonna, AC/DC, Ariana Grande, Eric Church and Ed Sheeran are among the other performers so far announced. 

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