Billy Joel, Mary J. Blige, Herbie Hancock, Will.i.am, Sting, Stevie Wonder, Trudie Styler, And Lady Gaga

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Proving how loved Sting is, artists from all generations and styles came to say "Happy Birthday." (l-r) Billy Joel, Mary J. Blige, Herbie Hancock, will.i.am, Sting, Stevie Wonder, Sting's wife Trudie Styler, and Lady Gaga backstage at Sting: 25th Anniversary/60th Birthday Concert to Benefit Robin Hood Foundation on Oct. 1 in New York

Photo: Kevin Mazur/WireImage.com

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