K-pop history was made! NMIXX secured their first "Heavy Serenade" win, dominating the charts with 8,452 points.

The night ignited with pure nostalgia as I.O.I celebrated their 10th anniversary with a legendary reunion stage. Plus, Taeyang returned as the ultimate King of Soul.

From rising stars to iconic legends, this M Countdown broadcast was a masterclass in global musical excellence.