Girl group 4minute has ranked number 1 on Mnet "M! Countdown."

Today on Mnet "M! Countdown," they ranked number 1 with their new song, "What's Your Name?"

Member HyunA was not able to perform today as she was in the hospital recovering from dehydration.

The members thanked for HyunA who also voted for the group while at the hospital.

Their new song features an addictive melody and fun lyrics with an upbeat choreography.

On the other hand, HyunA was taken to the hospital on May 6 due to dehydration and will not be doing any activities until she is fully recovered.