KARA begin brand new start with their MV for 'Mamma Mia'

KARA have finally unveiled the brand new MV for their comeback song 'Mamma Mia' from their 6th mini album 'Day & Night'.

After giving us teaser images and video, we finally get to see their brand new beginning as four-member girl group with new member Young Ji.

Watch the MV below:

http://www.youtube.com/watch?v=AEAdE9wSqwg