The former bandmates were joined at the event by Katy Perry – who ate some cherry pie as she arrived on the red carpet!
Also in attendance at the event included Noah Cyrus, Machine Gun Kelly, Camila Cabello, Olivia Holt, Sarah Vendal, Sofia Carson, Halsey, Drake Bell, Aaron Carter, Jake T Austin, Sarah Michelle Gellar, and Chase McNary.
The day before, Niall debuted his new song “On the Loose” at a concert in San Diego – Watch below!
Niall Horan – On The Loose (From Your Debut Album)
20+ pictures inside of the stars arriving at Wango Tango…