Demi Lovato attends The 59th Grammy Awards at the Staples Center in Los Angeles, California on Sunday February 12, 2017.

Tori Kelly at the 4th Annual ‘Wishing Well Winter Gala’ at the Hollywood Palladium in Hollywood in Los Angeles, California on December 7, 2016.

Katy Perry at the 59th GRAMMY Awards held at the Staples Center in Los Angeles, California on Sunday February 12, 2017.

Rihanna attends The 59th Grammy Awards at the Staples Center in Los Angeles, California on Sunday February 12, 2017.

Gabi DeMartino at the 2017 Valentine’s Day Themed Party Hosted by Eva Gutowski at SIXTY Beverly Hills Hotel, 9360 Wilshire Boulevard in Beverly Hills, CA on February 9, 2017.

Charli XCX attends The 59th Grammy Awards at the Staples Center in Los Angeles, California on Sunday February 12, 2017.

Amber Rose at the 59th Annual Grammy Awards – Clive Davis and the Recording Academy’s Pre-Grammy Gala and Salute to Industry Icons Honoring Debra Lee at The Beverly Hilton in Los Angeles, CA on February 11, 2017.

Camila Cabello attends The 59th Grammy Awards at the Staples Center in Los Angeles, California on Sunday February 12, 2017.

Adele attends The 59th Grammy Awards at the Staples Center in Los Angeles, California on Sunday February 12, 2017.

Halsey at Delta Air Lines official Grammy event featuring private performance and interactive evening with Halsey at Beauty & Essex, adjacent to the new Dream Hollywood to celebrate the 59th Annual GRAMMY Awards in Los Angeles, California on Thursday February 9, 2017.