Taeyeon's first solo show took place at Olympic Hall in Seoul from the 9th to the 10th of July.
More than 6,000 fans attended the "Taeyeon, Butterfly Kiss" show and the show was streamed live at some 44 venues in Japan.
Taeyeon sang a slew of songs from "Up & Down" to "Rain." There was some exciting news during the show too, with Taeyeon announcing that "Why" had just become the number 1 song on SBS "Inkigayo" on the 10th of July.
Dean also stopped by to sing "Starlight" together!