How Music Stars Celebrated December, 2016.

The Chainsmokers in San Jose
Andrew Taggart and Alex Pall of The Chainsmokers perform onstage at WiLD 94.9’s FM’s Jingle Ball 2016 presented by Capital One at SAP Center on Dec. 1, 2016 in San Jose, Calif.

Chris Cornell in Lima

Chris Cornell performs as part of his Higher Truth World Tour at the archaeological site of the adobe pyramid of Huaca Pucllana in Lima, Peru on Dec. 2, 2016.

Gucci Mane in Miami

Gucci Mane at the Rockwell x 1OAK Art Basel pop-up hosted by Gucci Mane on Dec. 1, 2016.

Chance the Rapper in D.C.

Chance the Rapper performs during the 94th National Annual Christmas Tree Lighting in President’s Park on Dec. 1, 2016 in Washington, D.C.

Tove Lo in San Jose

Tove Lo performs onstage at WiLD 94.9’s FM’s Jingle Ball 2016 presented by Capital One at SAP Center on Dec. 1, 2016 in San Jose, Calif.

Andra Day in New York

Andra Day backstage at PlayStation Theater on Dec. 1, 2016 in New York City.

Rae Sremmurd in Miami Beach

Slim Jxmmi of Rae Sremmurd performs at “Hip Hop Through the Lens of Photography,” presented by Billboard and 1800 Tequila at Up & Down at the Nautilus Beach tent on Dec. 2, 2016, in Miami Beach, Fla.

Usher in Newark

Usher performs at the Hot 97’s Hot For The Holidays Concert at Prudential Center on Dec. 3, 2016 in Newark, N.J.

Chloe X Halle in New York

Chloe X Halle backstage at PlayStation Theater on Dec. 1, 2016 in New York City.

Madonna in Miami Beach

Madonna performs during Art Basel Miami Beach on Dec. 3, 2016 in Miami Beach, Fla.

Kelsea Ballerini in New York

Kelsea Ballerini In Concert at Irving Plaza on Dec. 2, 2016 in New York City.

Lady Gaga & Will.i.am in London

Lady Gaga and Will.i.am attends ‘The Radical Eye’ dinner and private view for the Elton John Aids Foundation in association with Bulgari on Dec. 1, 2016 in London, England.

Bon Jovi in Miami Beach

Phil X, Jon Bon Jovi, and Hugh McDonald performs during Bon Jovi Live presented by SiriusXM during Art Basel at the Faena Theater on Dec. 3, 2016 in Miami Beach, Fla.

D.R.A.M in Inglewood

D.R.A.M performs onstage during Power 106 Cali Christmas at The Forum on Dec. 2, 2016 in Inglewood, Calif.

Hailee Steinfeld in San Jose

Hailee Steinfeld performs onstage at WiLD 94.9’s FM’s Jingle Ball 2016 presented by Capital One at SAP Center on Dec. 1, 2016 in San Jose, Calif.

Justin Bieber on ‘Ellen’

Justin Bieber makes his 26th appearance on The Ellen DeGeneres Show on Dec. 5, 2016.

Gary Clark Jr. & Eve and The Exiles in Austin

Gary Clark Jr. and Eve & The Exiles perform celebrating the launch of Jameson Music with a special performance by Eve & The Exiles at Trinity Hall on Dec. 5, 2016 in Austin, Texas.

A$AP Rocky & A$AP Bari in Miami

A$AP Rocky and A$AP Bari at a private dinner hosted by VLONE at KOMODO to celebrate the Nike AF1 VLONE collaborative sneaker and the VLONE Basel pop up shop on Dec. 1, 2016.

Kid Cudi in Miami

Kid Cudi hosted the Beats Presents…The Clubhouse Dance Party at The Factory at Magic City Studios in Miami on Dec. 1, 2016.

Travis Scott in Miami

Travis Scott performs at the Beats Presents…The Clubhouse Dance Party hosted by Kid Cudi at The Factory at Magic City Studios in Miami on Dec. 1, 2016.

The 1975 in New York

Adam Hann, George Daniel, Matthew Healy and Ross MacDonald of The 1975 attend the Pandora Holiday Live event at Pier 36 on Dec. 6, 2016 in New York City.

Halsey in Oslo

Halsey performs during the Nobel Peace Prize Concert at Telenor Arena on Dec. 11, 2016 in Oslo, Norway.

James Taylor, Vittorio Grigolo, Bruce Springsteen & Sting in New York City

James Taylor, Vittorio Grigolo, Bruce Springsteen, and Sting perform onstage during The Revlon Concert for the Rainforest Fund “Baby It’s Cold Outside” at Carnegie Hall on Dec. 14, 2016 in New York City.

Alicia Keys on ‘Ellen’

Alicia Keys makes an appearance on “The Ellen DeGeneres Show” on Dec. 15, 2016.

Rae Sremmurd in Los Angeles

Rae Sremmurd autograph signing and Electric Sky Wine tasting at Interscopes Wear. Music. Pop up store located on Hollywood and Highland on Dec. 14, 2016. Slim Jxmmi and Swae Lee greet fans with smiles and high fives.

Chloe X Halle & Harvey Mason, Jr. in California

Chloe X Halle and Harvey Mason, Jr. at Save The Music at Olive Vista Middle School as part of the SING partnership in Sylmar, Calif. on Dec. 14, 2016.

Zayn Malik at SiriusXM

Zayn Malik stopped by SiriusXM Hits 1’s The Morning Mash Up on Dec. 14, 2016.

Fifth Harmony in Atlanta

Ally Brooke, Normani Hamilton, Camila Cabello, Lauren Jauregui, and Dinah Jane Hansen of Fifth Harmony pose backstage during Power 96.1’s Jingle Ball 2016 at Philips Arena on Dec. 16, 2016 in Atlanta.

Ariana Grande in Atlanta

Ariana Grande performs onstage during Power 96.1’s Jingle Ball 2016 at Philips Arena on Dec. 16, 2016 in Atlanta.

Chance The Rapper & Darryl McDaniels on ‘SNL’

Chance The Rapper and Darryl McDaniels during the “Jingle Barack” sketch on Saturday Night Live on Dec. 17, 2016.

Camila Cabello & Machine Gun Kelly

Camila Cabello of Fifth Harmony and Machine Gun Kelly perform at the Y100’s Jingle Ball 2016 at BB&T Center on Dec. 18, 2016 in Sunrise, Fla.

Nicky Jam in Florida

Nicky Jam performs at the Y100’s Jingle Ball 2016 at BB&T Center on Dec. 18, 2016 in Sunrise, Fla.

DNCE in Atlanta

Joe Jonas and Cole Whittle of DNCE performs onstage during Power 96.1’s Jingle Ball 2016 at Philips Arena on Dec. 16, 2016 in Atlanta.

Kendrick Lamar in Brooklyn

Kendrick Lamar performs onstage during American Express Music Presents: Kendrick Lamar Live at Music Hall of Williamsburg on Dec. 16, 2016 in Brooklyn, New York.

Fifth Harmony in Atlanta

Ally Brooke, Dinah Jane Hansen, Camila Cabello, Lauren Jauregui, and Normani Hamilton of Fifth Harmony perform onstage during Power 96.1’s Jingle Ball 2016 at Philips Arena on Dec. 16, 2016 in Atlanta.