Brynn Cartelli Will Perform New Single 'Last Night's Mascara' on 'The Voice'

Just a few days after announcing she was signed to Atlantic Records, Brynn Cartelli released her DEBUT single, "Last Night's Mascara".

The 15-year-old former Voice champ wrote the song in August and mentor Kelly Clarkson is already raving about it.

“Just jammin’ to @BrynnCartelli new single #LastNightsMascara,” Kelly wrote. “CANNOT WAIT FOR Y’ALL TO HEAR THIS LIVE ON THE VOICE TOMORROW!!!”

Tune into The Voice tonight to watch Brynn perform the song during the finale.