Selena Gomez

The "Good for You" singer in Camilla and Marc at the KIIS FM Jingle Ball in Los Angeles on Dec. 4.
The "Good for You" singer in Camilla and Marc at the KIIS FM Jingle Ball in Los Angeles on Dec. 4.
The songstress at the KIIS FM Jingle Ball in Los Angeles on Dec. 4.
The American Idol host at the KIIS FM Jingle Ball in Los Angeles on Dec. 4.
The eclectic band, led by frontman Joe Jonas, at the KIIS FM Jingle Ball in Los Angeles on Dec. 4.
The "Talking Body" singer at the KIIS FM Jingle Ball in Los Angeles on Dec. 4.
The hits-maker at the KIIS FM Jingle Ball in Los Angeles on Dec. 4.
The Mad Men actress at the KIIS FM Jingle Ball in Los Angeles on Dec. 4.
The Pitch Perfect 2 actress in a Yeezy crop top and John Paul Ataker pants at the KIIS FM Jingle Ball in Los Angeles on Dec. 4.
The singer at the 38th Annual Kennedy Center Honors Gala in Washington D.C. on Dec. 6.
The Scandal star in Marchesa at the 38th Annual Kennedy Center Honors Gala in Washington D.C. on Dec. 6.
The country sweetheart in Gemy Maalouf at the 38th Annual Kennedy Center Honors Gala in Washington D.C. on Dec. 6.
The crooner at the 38th Annual Kennedy Center Honors Gala in Washington D.C. on Dec. 6.
The Jane the Virgin actress in Georges Chakra Coutre at the 38th Annual Kennedy Center Honors Gala in Washington D.C. on Dec. 6.
The How to Get Away with Murder star at the 38th Annual Kennedy Center Honors Gala in Washington D.C. on Dec. 6.
The Veep star at the TrevorLIVE event at the Hollywood Palladium on Dec. 6.
The actress in Roland Mouret at the TrevorLIVE event at the Hollywood Palladium on Dec. 6.
The host of The Soup at the TrevorLIVE event at the Hollywood Palladium on Dec. 6.
The comedienne at the TrevorLIVE event at the Hollywood Palladium on Dec. 6.
The actress at the opening night of School of Rock the musical in New York City on Dec. 6.
The American Horror Story star at the opening night of School of Rock the musical in New York City on Dec. 6.
The Orange Is the New Black actress at the opening night of School of Rock the musical in New York City on Dec. 6.