Justin Tranter

Ariana Grande and the Jonas Brothers' trusted collaborator marked Spirit Day with their third benefit concert for GLAAD.
His GLAAD Spirit Day concert featured Darren Criss and raised $400,000 for LGBTQ youth.
The songwriter behind some of 2017's biggest tracks talks Trump, sexuality and the artists he wants to write with next.
The pop star wants to be "friends" on his new single.