Sunday night's Grammy Awards show, held at Los Angeles' Staples Center and hosted by Alicia Keys, was full of outstanding performances from a wide range of artists.Lizzo — who was nominated for a leading eight awards and went home with three: best pop solo performance, best urban contemporary album and best traditional R&B performance — opened the show with an energetic medley of "Cuz I Love You" and "Truth Hurts." The entertainer showed off every bit of her talent by singing, rapping, dancing