Madison Beer at the 2016 Z100 Jingle Ball at Madison Square Garden in New York 12/09/2016

Madison Beer at the 2016 Z100 Jingle Ball at Madison Square Garden in New York 12/09/2016-1

The 17-year-old singer Madison Beer, who rose to fame when Justin Bieber posted a link to one of her singing videos on his Twitter feed, at the 2016 Z100 Jingle Ball at Madison Square Garden in New York.

Madison Beer at the 2016 Z100 Jingle Ball at Madison Square Garden in New York 12/09/2016-2

Madison Beer at the 2016 Z100 Jingle Ball at Madison Square Garden in New York 12/09/2016-3

Madison Beer at the 2016 Z100 Jingle Ball at Madison Square Garden in New York 12/09/2016-4

Madison Beer at the 2016 Z100 Jingle Ball at Madison Square Garden in New York 12/09/2016-5