Rapper Nelly attends "Z100's Jingle Ball 2002" holiday concert on December 12, 2002 at Madison Square Garden in New York City.
Jimmy Fallon attends Z100's iHeartRadio Jingle Ball 2021 at Madison Square Garden on December 10, 2021 in New York City.
Taylor Swift poses backstage at iHeartRadio's Z100 Jingle Ball 2019 Presented By Capital One on December 13, 2019 in New York City.
Niall Horan and Elvis Duran attend the Z100's Jingle Ball 2017 backstage on December 8, 2017 in New York City.
Singer Rihanna performs on stage during Z100's Jingle Ball at Madison Square Garden on December 12, 2008 in New York City.
Singer Lady GaGa performs on stage during Z100's Jingle Ball at Madison Square Garden on December 12, 2008 in New York City.
Jonas Brothers backstage at Z100's Jingle Ball 2007 at Madison Square Garden on December 14, 2007 in New York City.
The Click Five perform at Z100's Jingle Ball 2005 at Madison Square Garden on December 16, 2005 in New York City.
Singer Demi Lovato performs onstage during Z100's Jingle Ball 2015 at Madison Square Garden on December 11, 2015 in New York City.
Lindsay Lohan poses backstage at Z100's Jingle Ball 2013, presented by Aeropostale, at Madison Square Garden on December 13, 2013 in New York City.
Hayley Williams of Paramore performs onstage during Z100's Jingle Ball 2013, presented by Aeropostale, at Madison Square Garden on December 13, 2013...
Lindsay Lohan speaks backstage at Z100's Jingle Ball 2013, presented by Aeropostale, at Madison Square Garden on December 13, 2013 in New York City.
Ariana Grande performs onstage during Z100's Jingle Ball 2013, presented by Aeropostale, at Madison Square Garden on December 13, 2013 in New York...
Selena Gomez poses backstage at Z100's Jingle Ball 2013, presented by Aeropostale, at Madison Square Garden on December 13, 2013 in New York City.
Jessie Murph attends iHeartRadio z100's Jingle Ball 2023 Presented By Capital One at Madison Square Garden on December 08, 2023 in New York City.
Bethenny Frankel attends the 2023 Z100 Jingle Ball at Madison Square Garden on December 08, 2023 in New York City.
Jared Leto attends iHeartRadio z100's Jingle Ball 2023 Presented By Capital One at Madison Square Garden on December 08, 2023 in New York City.
Jelly Roll and Andy Cohen attend iHeartRadio z100's Jingle Ball 2023 Presented By Capital One at Madison Square Garden on December 08, 2023 in New...
Paul Russell performs onstage during iHeartRadio z100's Jingle Ball 2023 at Madison Square Garden on December 08, 2023 in New York City.
Taylor Swift attends backstage at Z100's Jingle Ball 2012, presented by Aeropostale, at Madison Square Garden on December 7, 2012 in New York City.
Tai Verdes attends Z100's iHeartRadio Jingle Ball 2021 at Madison Square Garden on December 10, 2021 in New York City.
Joe Jonas of the Jonas Brothers performs onstage during iHeartRadio Z100 Jingle Ball 2021 on December 10, 2021 in New York City.
Saweetie performs onstage during iHeartRadio Z100 Jingle Ball 2021 on December 10, 2021 in New York City.
Tate McRae attends Z100's iHeartRadio Jingle Ball 2021 at Madison Square Garden on December 10, 2021 in New York City.
Elvis Duran speaks onstage during iHeartRadio Z100 Jingle Ball 2021 on December 10, 2021 in New York City.
Lady Gaga performs during Z100's Jingle Ball 2011, presented by Aeropostale at Madison Square Garden on December 9, 2011 in New York City.
Singers Kelly Clarkson and Demi Lovato perform onstage during Z100's Jingle Ball 2011, presented by Aeropostale at Madison Square Garden on December...
Camila Cabello performs onstage during iHeartRadio's Z100 Jingle Ball 2019 Presented By Capital One on December 13, 2019 in New York City.
Taylor Swift poses with a giant birthday cake onstage during iHeartRadio's Z100 Jingle Ball 2019 Presented By Capital One on December 13, 2019 in New...
Justin BIeber performs onstage during Z100's Jingle Ball 2010 presented by H&M at Madison Square Garden on December 10, 2010 in New York City.
Justin Bieber performs onstage during Z100's Jingle Ball 2010 presented by H&M at Madison Square Garden on December 10, 2010 in New York City.
Singer Hayley Williams of Paramore performs during Z100's Jingle Ball 2010 at Madison Square Garden on December 10, 2010 in New York City.
Cardi B performs at Z100's Jingle Ball 2018 at Madison Square Garden on December 7, 2018 in New York City.
Dua Lipa attends Z100's Jingle Ball 2018 at Madison Square Garden on December 7, 2018 in New York City.
Actor/comedian Jack McBrayer attends Z100's Jingle Ball 2008 Artist Gift Lounge By On 3 Productions at Madison Square Garden on December 12, 2008 in...
Jay Sean performs onstage during Z100's Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New York City.
Singer Justin Bieber attends the Z100's Jingle Ball 2009 - Official H&M Artist Gift Lounge Produced by On 3 Productions at Madison Square Garden on...
Jordin Sparks and Justin Bieber performs onstage during Z100's Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New...
Actress and singer Miranda Cosgrove attends Z100's Jingle Ball 2009 at Madison Square Garden on December 11, 2009 in New York City.
Actress and singer Miranda Cosgrove attends Z100's Jingle Ball 2009 at Madison Square Garden on December 11, 2009 in New York City.
Peter Facinelli attends the H&M Artist Gift Lounge at Z100s Jingle Ball at Madison Square Garden on December 11, 2009 in New York City.
Dancer Maksim Chmerkovskiy attends the Z100's Jingle Ball 2009 - Official H&M Artist Gift Lounge Produced by On 3 Productions at Madison Square...
Taylor Swift performs onstage during Z100's Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New York City.
General view of atmosphere during Z100's Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New York City.
Taylor Swift performs onstage during Z100's Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New York City.
John Mayer performs onstage during Z100's Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New York City.
Orianthi performs onstage during Z100's Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New York City.
John Mayer performs onstage during Z100's Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New York City.
Singer Justin Bieber attends the H&M Artist Gift Lounge at Z100s Jingle Ball at Madison Square Garden on December 11, 2009 in New York City.
Actress Shailene Woodley attends the Z100's Jingle Ball 2009 - Official H&M Artist Gift Lounge Produced by On 3 Productions at Madison Square Garden...
Justin Bieber attends the Z100s Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New York City.
Taylor Swift performs onstage during Z100's Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New York City.
John Mayer and Taylor Swift performs onstage during Z100's Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New...
Justin Bieber performs onstage during Z100's Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New York City.
Taylor Swift performs onstage during Z100's Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New York City.
John Mayer and Justin Bieber attends Z100's Jingle Ball 2009 presented by H&M at Madison Square Garden on December 11, 2009 in New York City.
Musician Adam Young of Owl City attends the H&M Artist Gift Lounge at Z100s Jingle Ball at Madison Square Garden on December 11, 2009 in New York...