Looks like Girls' Generation fans will hear more from Taeyeon, Tiffany and Seohyun before the year is through.

The trio, known by the name TaeTiSeo, have been hinting at a comeback for a while, but have finally confirmed their project group comeback for early December. The sub-group's last album was released over a year ago in September 2014.

On the Nov. 1, a music insider told Korean media outlets thatTaetiseo will release their album in the first week of Decmeber and begin promotions on music shows at that time.

It is also said for their 3rd mini-album, TaeTiSeo will take on a concept that meshes well with the winter season. 

This album will mark 6 months of continuous Girls' Generation releases

Girls' Generation first began second half of the year promotions in July with the release of the single "Party." They followed up with the release of their fifth album, "Lionheart," in August. The eight-member group promoted until September, winning 21 1st place trophies on various music shows. After that, Taeyeon released her first solo album in October, which quickly rose to #1 on Korean music charts.