This year's Jingle Ball line-up is INSANE! Ryan Seacrest announced the 2017 KIISFM Jingle Ball line-up on Tuesday morning and now we are counting down the days until December 1st. 

For your first chance to buy tickets, the Capital One Cardholder Pre-Sale will start on Wednesday, October 11th at 10am local time - Saturday, October 14th at 10am local time or until pre-sale tickets are gone. Visit iHeartRadio.com/CapitalOne for details.

Tickets go on-sale to the public starting Monday, October 16th at 12pm local time.

Taylor Swift

“Shake it Off” and “Clean” were the last songs that Taylor Swift wrote for her blockbuster LP, 1989.

Ed Sheeran

Ed Sheeran has a birthmark by his eye, but plenty of people just think he was in a fight.

The Chainsmokers

Their manager Adam Alpert introduced Alex Pall and Drew Taggert when Alex was working at an art gallery in Manhattan.

Sam Smith

He once got detention after skipping school and going to a Lady Gaga concert.

Demi Lovato

All five of Demi’s albums have earned a gold certification in the U.S.

Logic

Logic tends to hang in very small circles. In fact, he rarely parties or even goes out. 

Kesha

Kesha earned a near-perfect score on her SATs. 

Niall Horan

Niall was the first member of One Direction to release a solo single while technically still in the band.

Charlie Puth

Charlie is one of the rare people in the world who has perfect pitch.

Liam Payne

Liam Payne actually auditioned for “The X Factor UK” twice, even auditioning in front of Cheryl his first time, who would later become his partner.