Halsey & Machine Gun Kelly Hit 'Roadies' Premiere Together

Halsey shares a laugh with Machine Gun Kelly at the premiere of Roadies on Monday (June 6) at The Theatre at Ace Hotel in Los Angeles.

The 21-year-old “Castle” singer joined the 26-year-old actor as they celebrated his new Showtime series.

PHOTOS: Check out the latest pics of Halsey

Halsey took to Twitter the night before the event to share the trailer for the series about band roadies, writing, “This is gonna be your new favorite show.”

20+ pictures inside of Halsey and Machine Gun Kelly attending the Roadies premiere together…