MAMAMOO has revealed more concept images for their new album.

Following their last batch of teasers, MAMAMOO dropped a new group photo as well as four individual images ahead of their compilation album release. In these teasers, the members look effortlessly elegant in their unique outfits. This new 'best of' album will be the group's first release since their 11th mini-album 'WAW' released this past June.

Stay tuned until the release of 'I SAY MAMAMOO: THE BEST' on September 15 KST!