Gwen took the stage with Saweetie to perform their latest single, "Slow Clap," rocking a fierce, see-through bejeweled top and checker-print skirt, with a blunt black wig for the up-tempo performance -- and of course, earning applause from her fiancé, Blake Shelton
The season 19-winning coach also had to send a supportive shout out to "Blakey," who has two singers -- Cam Anthony and Jordan Matthew Young -- competing to be named the season 20 winner.
"I know that Blake is gonna win this season, so you guys can just shut up, OK?" she insisted on social media. "Because it's all about Blake Shelton."