Stars hit Jingle Ball 2016 in Los Angeles

Jingle Ball 2016 in Los Angeles was star-studded! Britney Spears performed on stage during the 102.7 KIIS FM's Jingle Ball on Dec. 2. Keep reading to see who else was there!

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Justin Bieber performed on stage at 102.7 KIIS FM's Jingle Ball in Los Angeles on Dec. 2, 2016.

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Fifth Harmony attended 102.7 KIIS FM's Jingle Ball in Los Angeles on Dec. 2, 2016.

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Bruno Mars performed on stage during the 102.7 KIIS FM's Jingle Ball 2016 on Dec. 2 in Los Angeles.

Chrissy Metz attended 102.7 KIIS FM's Jingle Ball in Los Angeles on Dec. 2, 2016.

Alessia Cara attended 102.7 KIIS FM's Jingle Ball in Los Angeles on Dec. 2, 2016.

Witney Carson attended 102.7 KIIS FM's Jingle Ball in Los Angeles on Dec. 2, 2016.

Niall Horan attended 102.7 KIIS FM's Jingle Ball in Los Angeles on Dec. 2, 2016.

Meghan Trainor attended 102.7 KIIS FM's Jingle Ball in Los Angeles on Dec. 2, 2016.

Nick Viall attended iHeartRadio's Jingle Ball in Los Angeles on Dec. 2, 2016.

Tinashe attended iHeartRadio's Jingle Ball in Los Angeles on Dec. 2, 2016.

Lukas Graham attended 102.7 KIIS FM's Jingle Ball in Los Angeles on Dec. 2, 2016.

Lance Bass attended 102.7 KIIS FM's Jingle Ball in Los Angeles on Dec. 2, 2016.

JoJo Fletcher attended 102.7 KIIS FM's Jingle Ball in Los Angeles on Dec. 2, 2016.

Daya attended 102.7 KIIS FM's Jingle Ball in Los Angeles on Dec. 2, 2016.

Amanda Stanton and Josh Murray attended 102.7 KIIS FM's Jingle Ball in Los Angeles on Dec. 2, 2016.

Barbara Palvin attended 102.7 KIIS FM's Jingle Ball in Los Angeles on Dec. 2, 2016.