The singer and producer also discussed their viral 'Getaway Car' video
The longtime collaborators performed 'Margaret' and 'Venice Bitch'
The single marks the band's first release under their new label home, Dirty Hit
The pop star praised her collaborator as she collected the award for Song Of The Year at the ceremony
A host of artists have left Braun's management in recent weeks, including Demi Lovato and Ariana Grande
Bleachers have also shared details of a new live album, set for release this week
The pop star was in New Jersey for the rehearsal dinner of Jack Antonoff and Margaret Qualley
See what's going down and when at the band's biggest UK headline to date
Ice Spice gave her new remix of 'Karma' its live debut to close out the show
Del Rey wrote the track about actor Margaret Qualley