A mini Spice Girls reunion combined with an ITZY collab lead to a showstopping showdown between “Wannabe” and “Say You'll Be There.”

The ‘90s rapper and the powerhouse belter join forces with Kep1er for a fierce face-off between “Ice Ice Baby” and “Tell It to My Heart.”

K-pop meets J-pop as the 11-member Japanese boy band JO1 hits the stage for Eve's “Let Me Blow Ya Mind” versus Kesha's “JOYRIDE.”

It's a global megahit mashup when ATEEZ performs the Aussie's “Can't Get You Out of My Head” and the Colombiano's “Mi Gente.”

STAYC wows the crowd in an electrifying battle between Culture Club's “Karma Chameleon” and TLC's “Waterfalls.”

The U.S. and U.K. pop divas came to slay as KISS OF LIFE serves a double dose of high-energy vibes with “Kings & Queens” and “Hold My Hand.”

The best-selling R&B group of all time teams up with BLACKSWAN to pit “Motownphilly” against “End of the Road.”