Selena performing at Z100 New York Jingle Ball in New York

Selena performing at Z100 New York Jingle Ball at Madisson Square Garden in New York.

Selena performing I Want You To Know with Zedd at Z100 New York Jingle Ball in Medisson Square Garden.

Selena on the red carpet of Z100 New York Jingle Ball at Medisson Square Garden.

Selena gives interview with iHeartRadio team backstage at Z100 New York Jingle Ball at Medisson Square Garden.

Selena meeting fans backstage at Z100 New York Jingle Ball at Medisson Square Garden.

Selena with Carlie Puth, Hailee Steinfeld and 5th Harmony backstage at Z100 New York Jingle Ball at Madisson Square Garden.

And heres pics and videos from fans at Z100 New York Jingle Ball at Medison Square Garden.

HOLT DUCING SHIR THIS FUCKINF QUEEN. SKANNDDKNDN pic.twitter.com/lkWcID0oAc

— alex (@alexbabbles) December 11, 2015

SLAYYYY @selenagomez! #Z100JingleBall 👠 #selenators pic.twitter.com/NDGl4G8dt3

— Z100 New York (@Z100NewYork) December 12, 2015

"I'M 6TH HARMONY" – @selenagomez to @FifthHarmony 😂😂😂 THIS IS THE BEST pic.twitter.com/4ZNQ648sm1 #Z100JingleBall

— Z100 New York (@Z100NewYork) December 12, 2015

Selfie 😝 @radiomobounce & @selenagomez #Z100JINGLEBALL pic.twitter.com/o5KuWX4RWz

— Z100 New York (@Z100NewYork) December 12, 2015

Here's how @selenagomez gets ready to perform at #Z100JingleBall! 😘pic.twitter.com/pq6xpwNbOQ #Selenators #SelenaGomez

— Z100 New York (@Z100NewYork) December 12, 2015

That moment when you can't believe @selenagomez walked right by you 😩 #Z100JINGLEBALL pic.twitter.com/Y8otR79UaT

— Z100 New York (@Z100NewYork) December 12, 2015

😘 good luck tonight @selenagomez #iHeartRadioJingleBall pic.twitter.com/Z6Dadn4CFV

— Elvis Duran (@elvisduran) December 12, 2015

Like a living doll 😍 @selenagomez just stopped by to chat with @elvisduran #Z100JINGLEBALL pic.twitter.com/tfGS6vvYZw

— Z100 New York (@Z100NewYork) December 12, 2015

.@selenagomez just came out for #iWantYouToKnow with @Zedd! 😭😱😍 #Z100JingleBall pic.twitter.com/9cgT0vAGRr

— Z100 New York (@Z100NewYork) December 12, 2015

AHHHHHHHH!!!!!! #iHeartRadioJingleBall !!! @Zedd and @selenagomez !! WATCH THIS! https://t.co/uYrVJ6K8bV pic.twitter.com/FqQ8oro9T2

— Y100 Miami (@Y100MIAMI) December 12, 2015

Holy cow! @selenagomez just joined @zedd on stage at #iHeartRadioJingleBall! SLAY GURL SLAY! pic.twitter.com/IKS9OXoN9Y

— HOT 99.5 ❤️ (@hot995) December 12, 2015

YAS! @SelenaGomez and @Zedd! #iHeartRadioJingleBall! https://t.co/JxUg9rgs50 🔥🔥 pic.twitter.com/65W54oxjXu

— 102.7 KIIS-FM (@1027KIISFM) December 12, 2015

GET. IT. GIRL. 🔥 @selenagomez #Z100JingleBall #selenators #fierce pic.twitter.com/Tg64eGoT7R

— Z100 New York (@Z100NewYork) December 12, 2015

SURPRISE! @selenagomez just joined @Zedd on stage for #IWantYouToKnow! #iHeartRadioJingleBall #Zeddlena pic.twitter.com/j7AAOwC8iK

— On Air/Ryan Seacrest (@OnAirWithRyan) December 12, 2015

✨ @selenagomez & @Zedd ✨ #Z100JingleBall #iHeartRadioJingleBall pic.twitter.com/lLLzQqBHty

— MTV Pop (@mtvpop) December 12, 2015

When Queen @selenagomez walks out like… https://t.co/pRcoMfisCY #iHeartRadioJingleBall pic.twitter.com/FSTdBKbEAP

— 102.7 KIIS-FM (@1027KIISFM) December 12, 2015

SLAYLENA GODMEZ #iHeartRadioJingleBall pic.twitter.com/3pkjNmorV6

— gabi. (@selenaworld) December 12, 2015

Please welcome to the stage, Queen @SelenaGomez!!!!!!! #iHeartRadioJingleBall pic.twitter.com/9wnVe8wcBk

— On Air/Ryan Seacrest (@OnAirWithRyan) December 12, 2015

If you're not watching @selenagomez on #Z100JingleBall's live stream you're LOSING! WATCH: https://t.co/ImKoFunvR1 pic.twitter.com/O0ZiB58L1I

— Z100 New York (@Z100NewYork) December 12, 2015

.@selenagomez might not be dating @NiallOfficial but she IS on our #iHeartRadioJingleBall and we're in LOVE pic.twitter.com/BRyfBUu8UZ

— HOT 99.5 ❤️ (@hot995) December 12, 2015

.@selenagomez just took over @TheGarden! https://t.co/uBkpJ47pa1 #iHeartRadioJingleBall pic.twitter.com/7Xfpo5FGBi

— 102.7 KIIS-FM (@1027KIISFM) December 12, 2015

YES, @selenagomez. Just YES. 🔥🔥🔥 #Z100JingleBall pic.twitter.com/bGaZxk0QSz

— Z100 New York (@Z100NewYork) December 12, 2015

TWO WORDS: @selenagomez . THE. END. on NOW at #iHeartRadioJingleBall pic.twitter.com/uxFiaeOKne

— Y100 Miami (@Y100MIAMI) December 12, 2015

She may be sick of the same old love, but we will never be sick of @selenagomez! #iHeartRadioJingleBall pic.twitter.com/opeN3yWjqM

— iHeartRadio (@iHeartRadio) December 12, 2015

#iHeartRadioJingleBall we live our home girl @selenagomez pic.twitter.com/J0rV4TNtGw

— MIX 96.1 (@mix961sa) December 12, 2015

LOOKING #GoodForYou , @selenagomez #iHeartRadioJingleBall #14carat pic.twitter.com/C7k0muagdm

— Y100 Miami (@Y100MIAMI) December 12, 2015

When bae is being annoying…… @selenagomez #iHeartRadioJingleBall pic.twitter.com/WxgOwKHmYZ

— On Air/Ryan Seacrest (@OnAirWithRyan) December 12, 2015

#GoodForYou … Good for us! @selenagomez #iHeartRadioJingleBall WATCH HERE – https://t.co/uYrVJ6K8bV pic.twitter.com/A2kxT0WYN5

— Y100 Miami (@Y100MIAMI) December 12, 2015

Selena and Zedd on stage together! Definitely one of our #iHeartMoments presented by @CapitalOne https://t.co/cXA1plO6xn

— iHeartRadio (@iHeartRadio) December 12, 2015

shout out to this guy for not leaving that coat a mess on the floor @SelenaGomez #GoodForYou #iHeartRadioJingleBall pic.twitter.com/uatuHVDvRe

— On Air/Ryan Seacrest (@OnAirWithRyan) December 12, 2015

Now on Vine: #iHeartRadioJingleBall https://t.co/dUJsU3TEFI 🎵🎅 https://t.co/i9Ktj4sqjB

— Vine (@vine) December 12, 2015

Slaylena the Selegend. RIP ME. #Z100JingleBall pic.twitter.com/ag5oMyaaYp

— Kristin Harris (@KristinHarris) December 12, 2015

It's #SelenaGomez!

A photo posted by Paul Chi (@iampaulchi) on Dec 11, 2015 at 5:34pm PST

#tyleroakley #selenagomez #together #z100 #jingleball #redcarpet @selenagomez

A photo posted by Andrea Dresdale (@adresdale) on Dec 11, 2015 at 5:36pm PST

on the go selfies are the best haha #selenagomez #sameoldlove #z100jingleball

A photo posted by Tess Lehrman (@tesslehrman) on Dec 11, 2015 at 5:40pm PST

@selenagomez striking a pose backstage at #iheartradiojingleball

A video posted by ✨ HuffPost Entertainment 🎥 (@huffpostentertainment) on Dec 11, 2015 at 5:30pm PST

WINTER WHITE, 2015 #selenagomez @selenagomez #jingleball #nyc #msg #revivalstyle #victoriabeckham #tapforcredits

A photo posted by Christian Classen (@chrisclassen) on Dec 11, 2015 at 6:40pm PST

THIS IS WHAT A CHIC RAVE LOOKS LIKE, 2015 #selenagomez #revivalstyle #jingleball #jinglearmy #msg #nyc #tapforcredits

A photo posted by Christian Classen (@chrisclassen) on Dec 11, 2015 at 6:48pm PST

THAT SAME OLD LOVE, 2015 #selenagomez @selenagomez #jingleball #jinglearmy #nyc #msg #revivalstyle #tapforcredits

A photo posted by Christian Classen (@chrisclassen) on Dec 11, 2015 at 8:39pm PST

ILL LOVE U LIKE A LOVE SONG, 2015 #selenagomez #revivalstyle #nyc #tapforcredits

A photo posted by Christian Classen (@chrisclassen) on Dec 11, 2015 at 8:44pm PST

So @selenagomez killed it tonight @iHeartRadio #Z100JingleBall! @Joe_Gatto & I loved meeting u! #ImpracticalJokers pic.twitter.com/XRWfpxsCpJ

— Murr (@jamessmurray) December 12, 2015

@selenagomez and @zedd hangout backstage at Jingle Ball 📸 @kristaschlueter

A photo posted by Vulture (@vulture) on Dec 11, 2015 at 8:42pm PST

Oh Hey @selenagomez #Z100JingleBall #SelenaGomez

A video posted by The Riddler (@djriddler) on Dec 11, 2015 at 9:01pm PST

The two best friends that anyone can have! Thanks for the good time @Zedd & @selenagomez! #iHeartRadioJingleBall pic.twitter.com/kWpFOQJYAC

— iHeartRadio (@iHeartRadio) December 12, 2015