Girls' Generation Taeyeon had a surprise birthday party on SBS "Inkigayo".

In SBS "Inkigayo" aired today, Girls' Generation held their comeback stage. They had a live interview in celebration of their comeback.

Girls' Generation members prepared a surprise birthday party for Taeyeon whose birthday was the day of Inkigayo. But suddenly, EXO members came out with a birthday cake, singing the Happy Birthday song for her.

Internet users who saw this commented, "I'm so jealous", "It's Girls' Generation day", etc.

Photo Credit: SBS