The secret behind the name of the first unit group of Girls' Generation's TaeTiSeo was revealed.

On May 10, TaeTiSeo came out as guests in KBS 'Happy Together3' and revealed the secret behind their name.

On the day, the MCs asked "How was the specific order of TaeTiSeo selected?", and Taeyeon said, "We lead a music show every week and we stand in the order of Taeyeon, Tiffany, and Seohyun. Coincidentally that's our age order as well."

When they were also asked about how the three of the nine decided to come together, and they said "The members who want to go into acting began their acting career, but we're the ones that want to sing."

Tiffany also added, "If there's a role that fits me later on, I would take it. But right now, I want to focus on singing," being honest.

Photo: KBS