Kendrick Lamar opened the awards show with a politically charged performance. Surrounded by men in militaristic uniforms and masks, Lamar began by standing in front of an image of an American flag.

Kendrick Lamar, a 20-time Grammy champ, is set to possibly boost that count later tonight. His track “Not Like Us” already snagged wins for Best Rap Song, Best Rap Performance, and Best Music ...

Kendrick Lamar and Kesha give powerful performances, and many more highlights from Sunday night's ceremony.