2015 Grammy Awards: The Winners (24 images)

Beyonce holds the awards she won for Best R&B Performance, Best R&B Song, and Best Surround Sound Album at the 57th Grammy Awards at Staples Center in Los Angeles on February 8, 2015. Photo by Phil McCarten/UPI

Sam Smith poses backstage with his awards for Record of the Year, Best New Artist and Best Pop Vocal Album during the 57th Grammy Awards at Staples Center in Los Angeles on February 8, 2015 Photo by Phil McCarten/UPI

Lady Gaga and Tony Bennett appear appear backstage with the Grammy Awards they won for best Traditional Pop Vocal Album "Cheek To Cheek" at the 57th Grammy Awards at Staples Center in Los Angeles on February 8, 2015. Photo by Phil McCarten/UPI

Singer-songwriter Miranda Lambert, winner of Best Country Album for "Platinum," poses backstage during the 57th Grammy Awards at Staples Center in Los Angeles on February 8, 2015 Photo by Phil McCarten/UPI