In photos: Winners and showstoppers shine at the Grammys

Sam Smith poses with his awards for Best New Artist, Best Pop/Vocal Album for "In the Lonely Hour" and Song of the Year and Record of the Year for "Stay With Me" in the press room at the 57th annual Grammy Awards in Los Angeles, California February 8, 2015.Mike Blake/Reuters

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Mary J. Blige, left, and Sam Smith perform on stage at the 57th Annual Grammy Awards in Los Angeles February 8, 2015.Robyn Beck

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Beck calls out to Kanye West, who pretended to take the stage after Beck won album of the year for "Morning Phase," at the 57th annual Grammy Awards in Los Angeles, California February 8, 2015.Lucy Nicholson/Reuters

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Singers Lady Gaga, left, and Tony Bennett perform "Cheek to Cheek" onstage during The 57th Annual GRAMMY Awards at the at the STAPLES Center on February 8, 2015 in Los Angeles, California.Kevork Djansezian/Getty Images

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Stevie Wonder left, and Usher perform at the 57th annual Grammy Awards on Sunday, Feb. 8, 2015, in Los Angeles.John Shearer

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Katy Perry performs "By The Grace of God" at the 57th annual Grammy Awards in Los Angeles, California February 8, 2015.Lucy Nicholson/Reuters

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Pharrell Williams, left, and Hans Zimmer perform at the 57th annual Grammy Awards on Sunday, Feb. 8, 2015, in Los Angeles.John Shearer

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Miranda Lambert accepts the award for best country album for "Platinum" at the 57th annual Grammy Awards in Los Angeles, California February 8, 2015.Lucy Nicholson/Reuters

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Hozier performs "Take Me To Church" with Annie Lennox at the 57th annual Grammy Awards in Los Angeles, California February 8, 2015.Lucy Nicholson/Reuters

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Ed Sheeran, left, and Jeff Lynne perform at the 57th annual Grammy Awards on Sunday, Feb. 8, 2015, in Los Angeles.John Shearer

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Smokey Robinson, left, presents Beyonce with the award for best R&B performance for “Drunk in Love” at the 57th annual Grammy Awards on Sunday, Feb. 8, 2015, in Los Angeles.John Shearer

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Gwen Stefani and Adam Levine perform on stage at the 57th Annual Grammy Awards in Los Angeles February 8, 2015.Robyn Beck

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Madonna performs on stage at the 57th Annual Grammy Awards in Los Angeles February 8, 2015.Robyn beck

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Pharrell Williams accepts the award for best pop solo performance for “Happy” at the 57th annual Grammy Awards on Sunday, Feb. 8, 2015, in Los Angeles.John Shearer

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Jessie J performs "You've Lost That Lovin Feelin'" with Tom Jones, as a tribute to Trustee Award honorees Barry Mann and Cynthia Weil, at the 57th annual Grammy Awards in Los Angeles, California February 8, 2015.LUCY NICHOLSON/Reuters

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Ariana Grande performs at the 57th annual Grammy Awards on Sunday, Feb. 8, 2015, in Los Angeles.John Shearer

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