Hyland's vocals sweep over the stripped-down acoustic version as she takes on Halsey's verse and harmonizes over the chorus.
Listen to Sarah Hyland and Boyce Avenue's "Closer" duet below:
Boyce Avenue recently released their Cover Collaborations EP, which featured another duet with Hyland, on Maroon 5's latest single "Don't Wanna Know." Hyland thanked Boyce Avenue, saying she's "been dreaming of doing this since I was 19 years old!"
The Chainsmokers also tweeted to both Hyland and Boyce Avenue after hearing the duet. "Hey @Sarah_Hyland and @boyceavenue you sound awesome!" the EDM duo wrote. "So cool y'all did that."