Katie Holmes
"So fun attending #Z100JingleBall," the actress shared on Instagram after enjoying performances from Shawn Mendes, Meghan Trainor and Cardi B.
Vinny Guadagnino & DJ Pauly D
The Jersey Shore: Family Vacation stars pick up swag inside the Artist Gift Lounge presented by Mercedes in between New York's performances.
Ramona Singer
Big fun in the big apple! The Real Housewives of New York City star attends Z100's Jingle Ball at Madison Square Garden.
Teresa Giudice
Say cheese! The Real Housewives of New Jersey star tries out her new FUJIFILM instax camera inside Z100's artist lounge.
Brie Bella & Nikki Bella
The Bella twins and Total Divas stars appear onstage a the Z100 Jingle Ball.
Cardi B
The rapper performs onstage at the Z100 Jingle Ball at Madison Square Garden.
Ashley Tisdale
The High School Musical alum and singer showcases a sexy look backstage at the Z100 Jingle Ball.
Cardi B
The rapper appears backstage.
Shawn Mendes
The pop star serenades the audience at the Z100 Jingle Ball.
Sabrina Carpenter
The singer showcases a festive look.
Meghan Trainor
The singer strikes a pose.
Normani
The singer performs onstage at the Z100 Jingle Ball.
Lauren Jauregui
The singer performs at a pre-show for the Z100 Jingle Ball.
Camila Cabello
The singer showcases a cozy look on the red carpet at the Z100 Jingle Ball.
Camila Cabello
The singer performs in a sparkling outfit at the Z100 Jingle Ball.
Dua Lipa
The singer performs onstage at the Z100 Jingle Ball.
Bebe Rexha
The singer showcases a red hot look.
Cardi B and Offset
The two perform together onstage.
Tom Sandoval, Ariana Madix, James Kennnedy & Raquel Leviss
Just days before the season premiere of Vanderpump Rules, the Bravo stars come together at 102.7 KIISFM's annual concert.
Cardi B and Offset
PDA alert!
Camila Cabello
The singer greets the crowd.
Ashley Iaconetti & Jared Haibon
The Bachelor in Paradise and iHeartRadio podcast hosts enjoy date night at The Forum in Inglewood, Calif.
Normani
The singer performs onstage with Khalid.
G-Eazy
The rapper embraces his inner jock.