Alessia Cara, Hailee Steinfeld perform at the Y100 Jingle Ball (25 images)

Alessia Cara, Hailee Steinfeld, Fifth Harmony, and Tove Lo performed at the Y100 Jingle Ball in South Florida on December 18, 2016.

Performer Austin Mahone walks the red carpet at the Y100 JingleBall concert at the BB&T Center on December 18, 2016 in Sunrise, Florida. Photo by Gary I Rothstein/UPI

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Performers Hey Violet walk the red carpet at the Y100 JingleBall concert at the BB&T Center on December 18, 2016 in Sunrise, Florida. Photo by Gary I Rothstein/UPI

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Performer Lunch Money Lewis walks the red carpet at the Y100 JingleBall concert at the BB&T Center on December 18, 2016 in Sunrise, Florida. Photo by Gary I Rothstein/UPI

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Performer Jake Miller walks the red carpet at the Y100 JingleBall concert at the BB&T Center on December 18, 2016 in Sunrise, Florida. Photo by Gary I Rothstein/UPI

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