Kesha in the Press Room at the MTV Europe Music Awards at the SSE Arena Wembley in London, United Kingdom on Sunday November 12, 2017.

Kehlani at the 2017 American Music Awards at the Microsoft Theater in Los Angeles, California on Sunday November 19, 2017.

Gwen Stefani lights The Empire State Building to promote The Holiday Light Show in New York City, New York on Monday November 20, 2017.

Emma Roberts at the 68th Annual National Book Awards at Cipriani Wall Street in New York City, New York on Wednesday November 15, 2017.

Ella Eyre at the EOS Lip Balm Winter Lips Party in London, United Kingdom on Tuesday November 14, 2017.

Madelaine Petsch at the 2017 American Music Awards at the Microsoft Theater in Los Angeles, California on Sunday November 19, 2017.

Demi Lovato at the 2017 American Music Awards at the Microsoft Theater in Los Angeles, California on Sunday November 19, 2017.

Ciara at the 2017 American Music Awards at the Microsoft Theater in Los Angeles, California on Sunday November 19, 2017.

Charli XCX at the MTV Europe Music Awards at the SSE Arena Wembley in London, United Kingdom on Sunday November 12, 2017.

Bebe Rexha at the 2017 American Music Awards at the Microsoft Theater in Los Angeles, California on Sunday November 19, 2017.