Halsey Performs 'Alone' with Big Sean on 'The Voice' Finale - Watch!

Halsey and Big Sean pose together back stage at the season finale of The Voice on Tuesday night (May 22) in Los Angeles.

The 23-year-old singer looked hot in a sparkling body suit as she and the 30-year-old rapper hit the stage for a performance of their hot new song “Alone.”

PHOTOS: Check out the latest pics of Halsey

Halsey is set to embark on the final North American leg of her tour in support of Hopeless Fountain Kingdom in July.

At the end of the two-hour season finale, the season 14 winner of The Voice was announced!

Watch the performance!