Mariah Carey Makes Surprise Appearance on 'Lip Sync Battle' - Watch Now!

Mariah Carey gave fans a major surprise when she took the stage during the latest Lip Sync Battle episode!

The 48-year-old superstar joined Darren Criss and Jermaine Dupri for the Mariah-themed tribute episode.

PHOTOS: Check out the latest pics of Mariah Carey

Together, the trio sang along to Mariah‘s hit “Emotions” while she threw confetti at the crowd.

Darren and Jermaine also performed “Heartbreaker” and Shake It Off.”

Check out Mariah‘s guest appearance below…

Click inside to watch clips of Darren and Jermaine’s other performances…