Girl group FIESTAR released their special digital single today.

They released their new digital single, Whoo!, on various music sites including Mnet, Melon, Bugs and more.

This single was produced by singer-songwriter Eric Benet. This album features a trendy urban R&B style of music that also includes guitar and latin styles.

Eric Benet also featured in the song himself and showed off his Korean speaking skills.

They released this surprise digital single as a gift to their fans.